Space Calendar - August 25, 2010
baa...@earthlink.net
This Space Calendar covers space-related activities and anniversaries
for the upcoming year. It is also available on the web at:
http://www.jpl.nasa.gov/calendar/
The web version of the Space Calendar includes over 1,800 links to related
home pages.
This calendar is compiled and maintained by Ron Baalke. Please send any
updates or corrections to r...@jpl.nasa.gov. Note that launch dates
are subject to change at any time. Also, note that anniversary dates are
listed in 5 year increments only.
The following people have contributed to this month's calendar:
o Dieter Kaemmer, Vicky Barlow, Richard Richins, Patrick Schmeer, Gregory Allen
=========================
SPACE CALENDAR
August 25, 2010
=========================
* indicates changes from last month's calendar.
August 2010
Aug 25 - Northern Iota Aquarids Meteor Shower Peak
Aug 25 - Comet 10P/Tempel 2 Closest Approach To Earth (0.651 AU)
Aug 25 - Asteroid 697 Galilea Closest Approach To Earth (1.474 AU)
Aug 25 - Asteroid 11911 Angel Closest Approach To Earth (1.797 AU)
Aug 26 - Asteroid 2007 DS7 Near-Earth Flyby (0.096 AU)
Aug 26 - Asteroid 2007 RY8 Near-Venus Flyby (0.043 AU)
Aug 26 - Asteroid 1031 Arctica Closest Approach To Earth (2.276 AU)
Aug 27 - Comet P/2010 L2 (LINEAR) Closest Approach To Earth (2.007 AU)
Aug 27 - Asteroid 2006 EK53 Near-Mars Flyby (0.045 AU)
Aug 28 - Comet 237P/LINEAR Closest Approach To Earth (2.007 AU)
Aug 28 - Asteroid 1 Ceres Occults UCAC2 20445859 (11.8 Magnitude Star)
Aug 28 - Astroid 2007 DD Near-Earth Flyby (0.082 AU)
Aug 28 - Asteroid 4116 Elachi Closest Approach To Earth (1.069 AU)
Aug 29 - Comet C/2010 DG56 (WISE) Closest Approach To Earth (1.145 AU)
Aug 29 - Asteroid 36800 Katarinawitt Closest Approach To Earth (1.009 AU)
Aug 29 - Asteroid 7359 Messier Closest Approach To Earth (1.791 AU)
Aug 29 - Asteroid 2006 SQ372 Closest Approach To Earth (23.717 AU)
Aug 29 - 35th Anniversary (1975), Discovery of Nova Cygni 1975
* Aug 30 - Chinasat 6A CZ-3B Launch
Aug 30 - Comet 2P/Encke Closest Approach To Earth (1.114 AU)
Aug 30 - Asteroid 1642 Hill Occults HIP 106143 (6.6 Magnitude Star)
Aug 30 - Asteroid 4055 Magellan Closest Approach To Earth (0.560 AU)
Aug 30 - Asteroid 4342 Freud Closest Approach To Earth (1.522 AU)
Aug 30 - Asteroid 203 Pompeja Closest Approach To Earth (1.664 AU)
Aug 31 - Comet 186P/Garradd Closest Approach To Earth (3.853 AU)
Aug 31 - Asteroid 1999 CG9 Near-Earth Flyby (0.083 AU)
Aug 31 - Asteroid 1566 Icarus Closest Approach To Earth (0.602 AU)
September 2010
Sep ?? - ResourceSat 2/YouthSat PSLV Launch (India)
* Sep ?? - Yaogan 11 CZ-2D Launch
* Sep ?? - SBSS-1 Minotaur 4 Launch
Sep 01 - Asteroid 3895 Earhart Closest Approach To Earth (1.772 AU)
Sep 02 - Cosmos-Glonass M27, M28 & M29 Proton M-DM2 Launch
Sep 02 - Cassini, Distant Flyby of Polydeuces & Telesto
Sep 02 - Cassini, Orbital Trim Maneuver #261 (OTM-261)
Sep 02 - Asteroid 2008 EL68 Near-Earth Flyby (0.030 AU)
Sep 03 - Cassini, Distant Flyby of Aegaeon, Titan, Epimetheus & Dione
Sep 03 - Comet 227P/Catalina-LINEAR Perihelion (1.795 AU)
Sep 03 - Comet C/2010 D3 (WISE) Perihelion (4.247 AU)
Sep 03 - Asteroid 79896 Billhaley Closest Approach To Earth (2.010 AU)
Sep 04 - Gonets M2/Cosmos-Rodnik N3 & N4 Rocket KM Launch
Sep 04 - Asteroid 2753 Duncan Closest Approach To Earth (1.845 AU)
* Sep 05 - Comet 111P/Helin-Roman-Crockett Closest Approach To Earth (3.340 AU)
Sep 05 - Asteroid 9007 James Bond Closest Approach To Earth (1.181 AU)
Sep 06 - Asteroid 4813 Terebizh Occults HIP 2762 (5.2 Magnitude Star)
Sep 08 - Progress M-07M Soyuz U Launch (International Space Station 39P)
Sep 08 - Cosmo-Skymed 4 Delta 2 Launch
Sep 08 - Comet 236P/LINEAR Perihelion (1.831 AU)
Sep 08 - Asteroid 3673 Levy Closest Approach To Earth (1.208 AU)
Sep 08 - 35th Anniversary (1975), Viking 2 Launch (Mars Orbiter/Lander)
Sep 08 - 45th Anniversary (1965), Kaoru Ikeya & Tsutomu Seki's Discovery of Comet Ikeya-Seki
Sep 08 - Marshall Space Flight Center's 50th Birthday (1960)
Sep 08 - Thomas Keith Glennan's 105th Birthday (1905)
Sep 09 - Comet P/2003 UY275 (LINEAR) Perihelion (1.831 AU)
Sep 09 - Asteroid 2005 VL1 Near-Venus Flyby (0.048 AU)
Sep 09 - Asteroid 1940 Whipple Closest Approach To Earth (2.081 AU)
Sep 10 - Comet 97P/Metcalf-Brewington Closest Approach To Earth (2.530 AU)
* Sep 10 - Asteroid 2010 PR10 Near-Earth Flyby (0.090 AU)
Sep 10 - Asteroid 426 Hippo Closest Approach To Earth (2.214 AU)
* Sep 11 - Michibiki (Quasi-Zenith Satellite 1) H-2A Launch (Japan)
Sep 11 - Moon Occults Venus
Sep 11 - 25th Anniversary (1985), ICE, Comet Giacobini-Zinner Flyby
Sep 12 - 40th Anniversary (1970), Luna 16 Launch (Soviet Moon Sample Return)
Sep 13 - Asteroid 29075 (1950 DA) Closest Approach To Earth (1.133 AU)
Sep 13 - Asteroid 19383 Rolling Stones Closest Approach To Earth (0.971 AU)
Sep 13 - Asteroid 5143 Heracles Closest Approach To Earth (2.236 AU)
Sep 14 - Asteroid 8 Flora At Opposition (8.2 Magnitude)
Sep 14 - Asteroid 2001 XE1 Near-Mars Flyby (0.035 AU)
Sep 14 - Asteroid 18458 Caesar Closest Approach To Earth (1.521 AU)
Sep 14 - John Dobson's 95th Birthday (1915)
* Sep 15 - B-Sat 3B/Eutelsat W3B Ariane 5 Launch
Sep 15 - Cassini, Orbital Trim Maneuver #261A (OTM-261A)
Sep 15 - Moon Occults Asteroid 15 Eunomia
Sep 15 - Asteroid 2753 Duncan Occults HIP 112168 (6.8 Magnitude Star)
Sep 15 - Asteroid 2005 UH6 Near-Venus Flyby (0.023 AU)
Sep 16 - Asteroid 39 Laetitia At Opposition (9.1 Magnitude)
Sep 17 - Asteroid 3763 Qianxuesen Occults HIP 108494 (6.1 Magnitude Star)
Sep 17 - Asteroid 4147 Lennon Closest Approach To Earth (1.467 AU)
Sep 18 - Asteroid 3354 McNair Closest Approach To Earth (1.237 AU)
Sep 18 - Asteroid 9954 Brachiosaurus Closest Approach To Earth (1.540 AU)
Sep 19 - Mercury At Its Greatest Western Elongation (18 Degrees)
* Sep 20 - NROL-41 Atlas 5 Launch
Sep 21 - Cassini, Orbital Trim Maneuver #262 (OTM-262)
Sep 21 - Jupiter at Opposition
Sep 21 - Uranus At Opposition
Sep 21 - Asteroid 1541 Estonia Closest Approach To Earth (1.947 AU)
Sep 22 - Asteroid 4923 Clarke Closest Approach To Earth (0.928 AU)
Sep 23 - Autumnal Equinox (03:09 UT)
Sep 23 - Cassini, Distant Flyby of Enceladus, Calypso & Polydeuces
Sep 24 - Cassini, Titan Flyby
Sep 24 - John Young's 80th Birthday (1930)
Sep 25 - Asteroid 11650 (1997 CN) Occults HIP 91347 (5.9 Magnitude Star)
Sep 25 - Asteroid 85990 (1999 JV6) Near-Venus Flyby (0.026 AU)
Sep 26 - 5th Anniversary (2005), Cassini, Hyperion Flyby
Sep 27 - Cassini, Orbital Trim Maneuver #263 (OTM-263)
Sep 27 - Asteroid 3169 Ostro Closest Approach To Earth (1.132 AU)
Sep 27 - Asteroid 7853 Confucius Closest Approach To Earth (2.735 AU)
* Sep 28 - Comet P/2010 P3 (Spahr) Closest Approach To Earth (3.665 AU)
Sep 28 - Asteroid 6 Hebe At Opposition (7.7 Magnitude)
* Sep 28 - Asteroid 6 Hebe Occults UCAC2 24017500 (11.6 Magnitude Star)
Sep 28 - Asteroid 2002 TZ57 Near-Earth Flyby (0.064 AU)
Sep 28 - Asteroid 477 Italia Closest Approach To Earth (1.020 AU)
Sep 28 - Asteroid 73079 Davidbaltimore Closest Approach To Earth (1.590 AU)
Sep 28 - Ismael Bullialdus' 405th Birthday (1605)
Sep 29 - Comet 31P/Schwassmann-Wachmann 2 Perihelion (3.424 AU)
Sep 29 - Comet C/2008 FK75 (Lemmon-Siding Spring) Perihelion (4.511 AU)
Sep 30 - Cosmos-Oko US-K N86 /Molniya M Launch
Sep 30 - Asteroid Gallia Occults HIP 43813 (3.1 Magnitude Star)
Sep 30 - Asteroid 2009 SH2 Near-Earth Flyby (0.018 AU)
Sep 30 - Asteroid 2005 NZ6 Near-Mercury Flyby (0.047 AU)
Sep 30 - 35th Anniversary (1975), Charles Kowal's Discovery of Jupiter Moon Themisto
October 2010
Oct ?? - Chang'e 2 Launch (China Moon Orbiter)
Oct ?? - Feng Yun 3-B CZ-4C Launch (China)
Oct ?? - Mesbah Safir 2 Launch (Iran)
Oct ?? - Beidou 2-M2 (Compass M-2)/Beidou 2-M3 (Compass M-3) CZ-3B Launch
Oct ?? - G-Sat5 (Insat 4-D) GSLV-F06 Launch
* Oct ?? - Shen Tong 1-B CZ-3A Launch
* Oct ?? - Dragon C-1 Falcon 9 Launch
* Oct 01 - STP-26/FASTRAC-A & B/FalconSat 4/OREOS/RAC Minotaur 4 Launch
Oct 01 - Asteroid 137032 (1998 UO1) Near-Earth Flyby (0.082 AU)
Oct 01 - Asteroid 7225 Huntress Closest Approach To Earth (1.478 AU)
Oct 02 - Asteroid 1996 Adams Closest Approach To Earth (1.212 AU)
Oct 02 - Asteroid 12104 Chesley Closest Approach To Earth (2.050 AU)
Oct 02 - Hayden Planetarium's 75th Birthday (1935)
Oct 03 - Asteroid 136 Austria Closest Approach To Earth (1.161 AU)
Oct 03 - Asteroid 4444 Escher Closest Approach To Earth (1.210 AU)
Oct 03 - Asteroid 1772 Gagarin Closest Approach To Earth (1.792 AU)
Oct 03 - 195th Anniversary (1815), Chassigny Meteorite Fall (Mars Meteorite)
* Oct 04 - Comet P/2010 P1 (NEAT) Perihelion (2.124 AU)
Oct 04 - Asteroid 3783 Morris Closest Approach To Earth (1.017 AU)
Oct 04-10 - World Space Week
Oct 05 - Asteroid 471 Papagena At Opposition (9.7 Magnitude)
Oct 05 - Asteroid 1221 Amor Closest Approach To Earth (1.756 AU)
Oct 06 - 20th Anniversary (1990), Ulysses Launch (Solar Polar Orbiter)
Oct 08 - Soyuz TMA-01M Soyuz FG Launch (International Space Station 24S)
Oct 08 - Comet C/2010 A4 (Siding Spring) Perihelion (2.738 AU)
Oct 08 - Asteroid 2001 TB Near-Earth Flyby (0.005 AU)
Oct 08 - Asteroid 9250 Chamberlin Closest Approach To Earth (2.581 AU)
Oct 09 - Draconids Meteor Shower Peak
Oct 09 - Asteroid 1322 Coppernicus Closest Approach To Earth (1.461 AU)
Oct 09 - Asteroid 5720 Halweaver Closest Approach To Earth (1.613 AU)
Oct 10 - Asteroid 2062 Aten Closest Approach To Earth (0.586 AU)
Oct 10 - Asteroid 83360 Catalina Closest Approach To Earth (1.221 AU)
Oct 10 - Asteroid 2801 Huygens Closest Approach To Earth (1.362 AU)
Oct 10 - Very Large Array's (VLA) 30th Birthday (1980)
Oct 11 - Cassini, End of Equinox Mission
Oct 11 - Asteroid 11998 Fermilab Closest Approach To Earth (1.427 AU)
Oct 11 - Asteroid 19148 Alaska Closest Approach To Earth (2.612 AU)
Oct 11 - 65th Anniversary (1945), WAC Corporal Launch
* Oct 12 - Comet P/2010 P3 (Spahr) Near-Jupiter Flyby (0.357 AU)
Oct 12 - Asteroid 742 Edisona Closest Approach To Earth (1.707 AU)
Oct 12 - Asteroid 16809 Galapagos Closest Approach To Earth (1.735 AU)
Oct 13 - Comet P/2003 UY275 (LINEAR) Closest Approach To Earth (0.902 AU)
Oct 13 - Comet 236P/LINEAR Closest Approach To Earth (0.904 AU)
Oct 14 - Cassini, Titan Flyby
* Oct 14 - XM-5 Proton M-Briz M Launch
Oct 14 - Cassini, Orbital Trim Maneuver #264 (OTM-264)
Oct 14 - Asteroid 162269 (1999 VO6) Near-Earth Flyby (0.088 AU)
Oct 14 - Asteroid 2009 BU5 Near-Mars Flyby (0.046 AU)
Oct 14 - Dwarf Planet 136199 Eris Closest Approach To Earth (95.667 AU)
Oct 15 - Asteroid 13070 Seanconnery Closest Approach To Earth (0.928 AU)
Oct 16 - Cassini, Distant Flyby of Polydeuces, Mimas, Pallene, Telesto, Methone &
Aegaeon
Oct 16 - Comet 142P/Ge-Wang Closest Approach To Earth (1.738 AU)
Oct 16 - 35th Anniversary (1975), GOES 1 Launch (1st Weather Satellite
in Geosynchronous Orbit)
Oct 17 - Cassini, Distant Flyby of Dione & Rhea
Oct 17 - New Horizons, Halfway to Pluto
Oct 17 - Asteroid 25924 Douglasadams Closest Approach To Earth (1.619 AU)
* Oct 18 - Comet P/2010 P4 (WISE) Closest Approach To Earth (1.209 AU)
Oct 18 - Asteroid 2009 ST Near-Vesta Flyby (0.043 AU)
Oct 19 - NROL-32 Delta 4-Heavy Launch
* Oct 19 - Globalstar 2 (1-6) Soyuz 2-1a-Fregat Launch
* Oct 19 - Kuiper Belt Object 15760 (1992 QB1) At Opposition (40.105 AU)
Oct 19 - Subrahmanyan Chandrasekhar's 100th Birthday (1910)
Oct 20 - 40th Anniversary (1970), Zond 8 Launch (USSR Moon Flyby)
Oct 21 - Orionids Meteor Shower Peak
Oct 21 - Comet 103P/Hartley 2 Near-Earth Flyby (0.121 AU)
Oct 21 - Asteroid 1566 Icarus Closest Approach To Earth (0.636 AU)
Oct 21 - Asteroid 4535 Adamcarolla Closest Approach To Earth (2.183 AU)
Oct 22 - Asteroid 202683 (2006 US216) Near-Venus Flyby (0.025 AU)
Oct 22 - Asteroid 4783 Wasson Closest Approach To Earth (1.481 AU)
Oct 22 - 35th Anniversary (1975), Venera 9, Venus Landing (Soviet Venus Orbiter/Lander)
Oct 23 - Asteroid 2000 TU28 Near-Earth Flyby (0.065 AU)
Oct 23 - Asteroid 2247 Hiroshima Closest Approach To Earth (1.185 AU)
Oct 23 - Karl Jansky's 105th Birthday (1905)
* Oct 24 - Comet P/2010 Q1 (Scotti) Closest Approach To Earth (3.276 AU)
Oct 24 - Asteroid 2009 FD Near-Earth Flyby (0.071 AU)
Oct 24 - Asteroid 2710 Veverka Closest Approach To Earth (1.687 AU)
Oct 25 - Comet C/2008 S3 (Boattini) Closest Approach To Earth (7.149 AU)
Oct 25 - Asteroid 2005 UN Near-Earth Flyby (0.020 AU)
Oct 25 - Asteroid 1998 SD9 Near-Mercury Flyby (0.048 AU)
Oct 25 - Asteroid 10217 Richardcook Closest Approach To Earth (1.075 AU)
Oct 25 - Asteroid 3066 McFadden Closest Approach To Earth (1.262 AU)
Oct 25 - 35th Anniversary (1975), Venera 10, Venus Landing
Oct 26 - Asteroid 2004 XD6 Near-Mars Flyby (0.023 AU)
Oct 26 - Asteroid 82332 Las Vegas Closest Approach To Earth (1.576 AU)
Oct 26 - Asteroid 1193 Africa Closest Approach To Earth (1.955 AU)
Oct 27 - Progress M-08M Soyuz U Launch (International Space Station 40P)
Oct 27 - Asteroid 162269 (1999 VO6) Near-Venus Flyby (0.041 AU)
Oct 27 - Asteroid 4766 Malin Closest Approach To Earth (1.457 AU)
Oct 27 - Asteroid 3693 Barringer Closest Approach To Earth (1.607 AU)
* Oct 27 - Kuiper Belt Object 55637 (2002 UX25) At Opposition (40.589 AU)
Oct 28 - Meridian 3 Soyuz 2-1a-Fregat Launch
Oct 28 - Comet 103P/Hartley 2 Perihelion (1.059 AU)
Oct 28 - Asteroid 4151 Alanhale Closest Approach To Earth (2.247 AU)
Oct 29 - Asteroid 2007 JB21 Near-Earth Flyby (0.099 AU)
Oct 30 - Moon Occults Asteroid 7 Iris
Oct 30 - Comet 223P/Skiff Closest Approach To Earth (1.636 AU)
Oct 30 - Comet 219P/LINEAR Closest Approach To Earth (1.833 AU)
Oct 30 - Asteroid 1 Ceres Occults TYC 6869-00429-1 (11.6 Magnitude Star)
Oct 30 - Asteroid 2003 UV11 Near-Earth Flyby (0.013 AU)
Oct 30 - Asteroid 2848 ASP Closest Approach To Earth (1.577 AU)
Oct 30 - Asteroid 6487 Tonyspear Closest Approach To Earth (1.692 AU)
Oct 30 - Asteroid 16035 Sasandford Closest Approach To Earth (1.856 AU)
* Oct 30 - Kuiper Belt Object 84522 (2002 TC302) Closest Approach To Earth (45.316 AU)
Oct 31 - Asteroid 925 Alphonsina Occults HIP 89954 (6.9 Magnitude Star)
Oct 31 - Asteroid 1640 Nemo Closest Approach To Earth (0.776 AU)
Oct 31 - Asteroid 30444 Shemp Closest Approach To Earth (1.489 AU)
Oct 31 - Michael Collins' 80th Birthday (1930)
November 2010
Nov ?? - Koreasat 6 Ariane 5 Launch
Nov ?? - Orbcomm 2-1, 2-2 & 2-3 Falcon 1e Launch
Nov ?? - Shi Jian 6G & GH CZ-2C Launch
Nov ?? - TacSat 4 Minotaur 4 Launch
* Nov ?? - KA-Sat Proton M-Briz M Launch
* Nov ?? - Geo IK-2 N1 Rokot KM Launch
Nov ?? - 10th Anniversary (2000), Discovery of the NWA 480 Meteorite (Mars Meteorite)
Nov 01 - STS-133 Launch, Space Shuttle Discovery, International Space Station
Nov 01 - Moon Occults Asteroid 3 Juno
Nov 01 - Asteroid 2009 WY7 Near-Earth Flyby (0.065 AU)
Nov 02 - Asteroid 2008 EL Near-Earth Flyby (0.032 AU)
Nov 02 - Harlow Shapley's 125th Birthday (1885)
Nov 03 - Taurids Meteor Shower Peak
Nov 04 - EPOXI, Comet 103P/Hartley 2 Flyby
Nov 04 - Asteroid 2006 JY26 Near-Earth Flyby (0.037 AU)
Nov 05 - Moon Occults Venus
Nov 05 - Asteroid 9134 Encke Closest Approach To Earth (1.901 AU)
Nov 06 - Asteroid 736 Harvard Closest Approach To Earth (1.061 AU)
* Nov 07 - Daylight Saving - Set Clock Back 1 Hour (United States)
Nov 07 - Comet C/2010 A4 (Siding Spring) Closest Approach To Earth (2.738 AU)
Nov 07 - Comet C/2010 FB87 (WISE-Garradd) Perihelion (2.843 AU)
Nov 07 - Asteroid 2002 VE68 Near-Earth Flyby (0.035 AU)
Nov 07 - Asteroid 3753 Cruithne Closest Approach To Earth (0.422 AU)
Nov 07 - Asteroid 63163 Jerusalem Closest Approach To Earth (1.417 AU)
Nov 07 - Asteroid 582 Olympia Closest Approach To Earth (1.450 AU)
Nov 07 - Asteroid 8734 Warner Closest Approach To Earth (1.736 AU)
Nov 08 - Cassini, Orbital Trim Maneuver #265 (OTM-265)
Nov 08 - Asteroid 243 Ida Closest Approach To Earth (1.759 AU)
Nov 08 - 50th Anniversary (1960), Little Joe 5 Launch
Nov 09 - Cassini, Distant Flyby of Dione & Enceladus
Nov 09 - Comet C/2009 T1 (McNaught) Closest Approach To Earth (6.118 AU)
Nov 09 - 5th Anniversary (2005), Venus Express Launch (ESA Venus Orbiter)
Nov 09 - 40th Anniversary (1970), OFO-1 (Orbiting Frog Otolith) Launch
* Nov 10 - Comet C/2010 L3 (Catalina) Perihelion (9.883 AU)
Nov 10 - Asteroid 149 Medusa Closest Approach To Earth (1.042 AU)
Nov 10 - 40th Anniversary (1970), Luna 17 Launch (USSR Moon Rover Mission)
Nov 11 - Cassini, Titan Flyby
Nov 11 - Asteroid 253 Mathilde Closest Approach To Earth (1.402 AU)
Nov 11 - Asteroid 3623 Chaplin Closest Approach To Earth (1.717 AU)
Nov 11 - Asteroid 10050 Rayman Closest Approach To Earth (2.075 AU)
Nov 11 - Vesto Slipher's 135th Birthday (1875)
Nov 12 - 30th Anniversary (1980), Voyager 1, Saturn Flyby
Nov 13 - Asteroid 1832 Mrkos Closest Approach To Earth (1.955 AU)
Nov 14 - Cassini, Orbital Trim Maneuver #266 (OTM-266)
Nov 14 - Asteroid 152 Atala Occults HIP 56242 (6.3 Magnitude Star)
Nov 14 - Asteroid 2009 TN8 Near-Vesta Flyby (0.029 AU)
* Nov 14 - Kuiper Belt Object 90377 Sedna At Opposition (86.377 AU)
Nov 16 - 45th Anniversary (1965), Venera 3 Launch (USSR Venus Lander)
Nov 17 - GPS 2F-2 Atlas 5 Launch
Nov 17 - Leonids Meteor Shower Peak
Nov 17 - Asteroid 2933 Amber Closest Approach To Earth (1.588 AU)
Nov 17 - Asteroid 2005 JU81 Near-Earth Flyby (0.038 AU)
Nov 18 - Asteroid 2005 BT1 Near-Mercury Flyby (0.024 AU)
Nov 18 - Asteroid 7958 Leakey Closest Approach To Earth (0.928 AU)
Nov 18 - Asteroid 7934 Sinatra Closest Approach To Earth (1.522 AU)
Nov 18 - Asteroid 1143 Odysseus Closest Approach To Earth (3.891 AU)
Nov 19 - Asteroid 25559 (1999 XW172) Occults HIP 18532 (2.9 Magnitude Star)
Nov 20 - Asteroid 1 Ceres Occults HIP 93277 (7.9 Magnitude Star)
Nov 20 - Asteroid 6373 Stern Closest Approach To Earth (1.798 AU)
Nov 20 - Asteroid 1000 Piazzia Closest Approach To Earth (3.073 AU)
Nov 20 - 5th Anniversary (2005), Hayabusa, Asteroid 25143 Itokawa Sample Collection
Nov 21 - Cassini, Orbital Trim Maneuver #267 (OTM-267)
Nov 21 - Comet C/2009 W2 (Boattini) Closest Approach To Earth (6.067 AU)
Nov 21 - Asteroid 2010 JW34 Near-Earth Flyby (0.50 AU)
Nov 21 - Asteroid 12485 Jenniferharris Closest Approach To Earth (1.056 AU)
Nov 22 - Glory/E1P/KySat 1/HERMES Taurus Launch
Nov 22 - Comet C/2009 Y1 (Catalina) Closest Approach To Earth (2.480 AU)
Nov 22 - Comet C/2009 U1 (Garradd) Closest Approach To Earth (2.652 AU)
Nov 22 - Asteroid 1756 Giacobini Closest Approach To Earth (1.041 AU)
Nov 23 - Asteroid 2008 KT Near-Earth Flyby (0.014 AU)
Nov 23 - 50th Anniversary (1960), Tiros II Launch (Weather Satellite)
Nov 24 - Comet P/2006 F1 (Kowalski) Closest Approach To Earth (3.897 AU)
Nov 24 - Asteroid 5254 Ulysses Closest Approach To Earth (3.616 AU)
Nov 25 - Asteroid 2002 KL3 Near-Venus Flyby (0.031 AU)
Nov 25 - Asteroid 498 Tokio Closest Approach To Earth (1.545 AU)
Nov 25 - 3552 Don Quixote Closest Approach To Earth (3.547 AU)
Nov 26 - Moon Occults Asteroid 7 Iris
Nov 26 - Asteroid 1736 Floirac Occults HIP 107302 (6.0 Magnitude Star)
Nov 26 - Asteroid 164294 (2004 XZ130) Near-Venus Flyby (0.032 AU)
Nov 26 - Asteroid 5102 Benfranklin Closest Approach To Earth (1.478 AU)
Nov 26 - 45th Anniversary (1965), Asterix 1 Launch (France's 1st Satellite)
Nov 27 - Cassini, Orbital Trim Maneuver #268 (OTM-268)
Nov 27 - Comet P/2009 SK280 (Spacewatch-Hill) Closest Approach To Earth (3.500 AU)
Nov 27 - Asteroid 37 Fides At Opposition (9.6 Magnitude)
Nov 28 - Cassini, Distant Flyby of Hyperion
Nov 28 - Asteroid 207945 (1991 JW) Near-Earth Flyby (0.095 AU)
Nov 28 - Asteroid 2009 WY104 Near-Earth Flyby (0.096 AU)
Nov 28 - Asteroid 1157 Arabia Closest Approach To Earth (2.523 AU)
Nov 28 - Nathaniel Bliss' 310th Birthday (1700)
Nov 29 - Cassini, Distant Flyby of Titan
Nov 29 - Comet P/2008 O2 (McNaught) Closest Approach To Earth (3.276 AU)
Nov 29 - Asteroid 1674 Groeneveld Occults HIP 25539 (4.9 Magnitude Star)
Nov 29 - 10th Anniversary (2000), Discovery of Y000593 Meteorite (Mars Meteorite)
Nov 30 - Cassini, Enceladus Flyby
* Nov 30 - Cosmos-Glonass M-30, M-31 & M-32 Proton M-DM2 Launch
Nov 30 - Cassini, Distant Flyby of Atlas & Janus
Nov 30 - Asteroid 13609 Lewicki Closest Approach To Earth (1.500 AU)
Nov 30 - Asteroid 5382 McKay Closest Approach To Earth (1.762 AU)
* Nov 30 - Kuiper Belt Object 84922 (2003 VS2) At Opposition (35.518 AU)
December 2010
Dec ?? - Cosmos-Geizer N21 Proton K Launch
Dec ?? - Monitor IR1 Rokot KM Launch
Dec ?? - Cosmos-Prognoz N11 Proton K-DM2 Launch
Dec ?? - Condor E Strela Launch
Dec ?? - Cosmos-Garpun N-1 Proton M-Briz M Launch
Dec ?? - Bissat Cosmos 3M Launch
Dec ?? - Hispasat 1-E Ariane 5 Launch
Dec ?? - Tugsat 1 (Brite-Austria) Dnepr 1 Launch
Dec ?? - Intelsat New Dawn Ariane 5 Launch
Dec ?? - Sich 2/NX/Nigeriasat2/Rasat/Edusat Dnepr 1 Launch
Dec ?? - 10th Anniversary (2000), Discovery of NWA 817 Meteorite (Mars Meteorite)
Dec 01 - Cassini, Orbital Trim Maneuver #269 (OTM-269)
Dec 01 - Mercury At Its Greatest Eastern Elongation (22 Degrees)
Dec 01 - Asteroid 2005 GC120 Near-Earth Flyby (0.043 AU)
Dec 01 - Asteroid 8721 AMOS Closest Approach To Earth (2.873 AU)
Dec 01 - Asteroid 588 Achilles Closest Approach To Earth (3.500 AU)
Dec 01 - 50th Anniversary (1960), Sputnik 6 Launch (Carried Two Dogs: Pchelka & Mushka)
Dec 02 - 15th Anniversary (1995), SOHO Launch
Dec 03 - Asteroid 2409 Chapman Closest Approach To Earth (1.195 AU)
Dec 03 - 10th Anniversary (2000), Discovery of Y000749 Meteorite (Mars Meteorite)
Dec 04 - Asteroid 5790 Nagasaki Closest Approach To Earth (1.539 AU)
Dec 04 - 45th Anniversary (1965), Gemini 7 Launch (Frank Borman & Jim Lovell)
Dec 05 - Asteroid 13208 Fraschetti Closest Approach To Earth (1.685 AU)
Dec 05 - Kuiper Belt Object 19521 Chaos Closest Approach To Earth (40.692 AU)
Dec 06 - ATV-2 (Johannes Kepler) Ariane 5 Launch
Dec 06 - Moon Occults Mars
Dec 06 - Asteroid 2000 AC6 Near-Earth Flyby (0.064 AU)
Dec 06 - Asteroid 1999 VM11 Near-Vesta Flyby (0.031 AU)
Dec 06 - Asteroid 10044 Squyres Closest Approach To Earth (1.398 AU)
Dec 06 - Asteroid 5471 Tunguska Closest Approach To Earth (2.210 AU)
Dec 06 - Asteroid 4446 Carolyn Closest Approach To Earth (3.571 AU)
Dec 07 - Akatsuki (Planet-C), Venus Orbit Insertion
Dec 07 - Asteroid 356 Liguria Occults HIP 109472 (5.4 Magnitude Star)
Dec 07 - Asteroid 6032 Nobel Closest Approach To Earth (1.663 AU)
Dec 07 - Asteroid 1776 Kuiper Closest Approach To Earth (2.108 AU)
* Dec 07 - Kuiper Belt Object 2004 XR190 At Opposition (56.925 AU)
Dec 07 - 15th Anniversary (1995), Galileo, Jupiter Orbit Insertion
Dec 07 - Gerard Kuiper's 105th Birthday (1905)
Dec 08 - Cassini, Orbital Trim Maneuver #270 (OTM-270)
Dec 08 - Asteroid 916 America Closest Approach To Earth (1.133 AU)
Dec 08 - 20th Anniversary (1990), Galileo, 1st Earth Flyby
Dec 08 - 165th Anniversary (1845), Karl Hencke's Discovery of Asteroid 5 Astraea
Dec 09 - Asteroid 16 Psyche At Opposition (9.4 Magnitude)
Dec 09 - Asteroid 2010 JL33 Near-Earth Flyby (0.043 AU)
Dec 09 - Asteroid 14967 Madrid Closest Approach To Earth (1.446 AU)
Dec 09 - Asteroid 6560 Pravdo Closest Approach To Earth (1.652 AU)
Dec 09 - Asteroid 11945 Amsterdam Closest Approach To Earth (2.188 AU)
Dec 09 - Asteroid 5661 Hildebrand Closest Approach To Earth (3.326 AU)
Dec 10 - Soyuz TMA-20 Soyuz FG Launch (International Space Station 25S)
Dec 10 - ORS-Sat 1 Minotaur 1 Launch
Dec 10 - Asteroid 1544 Vinterhansenia Occults HIP 109624 (6.1 Magnitude Star)
Dec 10 - 60th Anniversary (1950), St. Louis Meteorite Fall (Hit Car)
Dec 11 - Comet P/2001 R6 (LINEAR-Skiff) Closest Approach To Earth (2.002 AU)
Dec 11 - Asteroid 327 Columbia Closest Approach To Earth (1.931 AU)
Dec 12 - Asteroid 4511 Rembrandt Closest Approach To Earth (1.942 AU)
Dec 13 - Geminids Meteor Shower Peak
Dec 13 - Asteroid 2006 VB14 Near-Earth Flyby (0.080 AU)
Dec 13 - Asteroid 5811 Keck Closest Approach To Earth (1.905 AU)
Dec 13 - Asteroid 784 Pickeringia Closest Approach To Earth (2.875 AU)
* Dec 13 - Kuiper Belt Object 50000 Quaoar At Opposition (44.120 AU)
Dec 14 - Asteroid 732 Tjilaki Occults HIP 20698 (6.4 Magnitude Star)
Dec 14 - Asteroid 2002 XS90 Near-Earth Flyby (0.075 AU)
Dec 14 - Asteroid 2007 RW17 Near-Mars Flyby (0.040 AU)
Dec 14 - Asteroid 1094 Siberia Closest Approach To Earth (1.285 AU)
Dec 14 - Asteroid 6135 Billowen Closest Approach To Earth (1.604 AU)
Dec 14 - Asteroid 7610 Sudbury Closest Approach To Earth (1.873 AU)
Dec 15 - SBIRS-Geo 1 Atlas 5 Launch
Dec 15 - Asteroid 2007 MC24 Near-Mars Flyby (0.045 AU)
Dec 15 - 40th Anniversary (1970), Venera 7, Venus Landing (USSR)
Dec 15 - 45th Anniversary (1965), Gemini 6 Launch (Walter Schirra & Thomas Stafford)
Dec 16 - Cassini, Distant Flyby of Titan
Dec 16 - Comet C/2009 UG89 (Lemmon) Perihelion (3.931 AU)
Dec 16 - Asteroid 1886 Lowell Closest Approach To Earth (1.974 AU)
Dec 16 - 45th Anniversary (1965), Pioneer 6 Launch (Sun Orbiter)
Dec 17 - Hylas 1 Soyuz STA-Fregat Launch
Dec 17 - Cassini, Orbital Trim Maneuver #271 (OTM-271)
Dec 17 - Asteroid 624 Hektor Closest Approach To Earth (4.290 AU)
* Dec 18 - Comet P/2010 P1 (NEAT) Closest Approach To Earth (1.251 AU)
Dec 18 - Asteroid 416 Vaticana Closest Approach To Earth (2.414 AU)
Dec 19 - Asteroid 5703 Hevelius Closest Approach To Earth (1.276 AU)
Dec 19 - 50th Anniversary (1960), Mercury 1A Launch (Unmanned)
Dec 20 - Cassini, Distant Flyby of Titan, Dione, Pan, Pandora & Daphnis
Dec 20 - Asteroid 4836 Medon Occults HIP 21517 (6.5 Magnitude Star)
Dec 20 - Asteroid 2008 YL2 Near-Earth Flyby (0.032 AU)
Dec 20 - Asteroid 9252 Goddard Closest Approach To Earth (2.145 AU)
Dec 21 - Total Lunar Eclipse
Dec 21 - Winter Solstice, 23:38 UTC
Dec 21 - Cassini, Enceledus Flyby
Dec 21 - Asteroid 3192 A'Hearn Closest Approach To Earth (1.172 AU)
Dec 21 - Asteroid 1584 Fuji Closest Approach To Earth (1.205 AU)
Dec 21 - Asteroid 6434 Jewitt Closest Approach To Earth (1.477 AU)
Dec 22 - Ursids Meteor Shower Peak
Dec 24 - Cassini, Orbital Trim Maneuver #272 (OTM-272)
Dec 24 - Comet C/2010 B1 (Cardinal) Closest Approach To Earth (2.069 AU)
Dec 24 - Asteroid 1365 Henyey Occults HIP 38975 (6.0 Magnitude Star)
Dec 24 - Asteroid 6377 Cagney Closest Approach To Earth (2.014 AU)
Dec 24 - 45th Anniversary (1965), Barwell Meteorite Fall (Hit Car, Buildings)
Dec 25 - Asteroid 74625 Tieproject Closest Approach To Earth (1.035 AU)
Dec 26 - Asteroid 341 California Closest Approach To Earth (1.486 AU)
Dec 26 - Asteroid 1631 Kopff Closest Approach To Earth (1.495 AU)
Dec 27 - Progress M-09M Soyuz U (International Space Station 41P)
Dec 27 - Comet 123P/West-Hartley Closest Approach To Earth (1.630 AU)
Dec 27 - Asteroid 55 Pandora Closest Approach To Earth (1.704 AU)
Dec 27 - Asteroid 1537 Transylvania Closest Approach To Earth (1.737 AU)
* Dec 28 - SkyTerra-1 Proton M-Briz M Launch
Dec 28 - Asteroid 719 Albert Closest Approach To Earth (1.926 AU)
Dec 28 - 10th Anniversary (2000), Galileo, Ganymede 29 Flyby
Dec 29 - Comet P/2004 HC18 (LINEAR) Perihelion (1.714 AU)
Dec 29 - Asteroid 3526 Jeffbell Occults HIP 17181 (6.1 Magnitude Star)
Dec 30 - Asteroid 2007 YH1 Near-Earth Flyby (0.052 AU)
Dec 30 - Asteroid 2865 Laurel Closest Approach To Earth (1.773 AU)
Dec 30 - Asteroid 2476 Andersen Closest Approach To Earth (2.155 AU)
Dec 30 - 10th Anniversary (2000), Cassini, Jupiter Flyby
Dec 30 - 25th Anniversary (1985), Stephen Synnott's Discovery of Uranus Moon Puck
Dec 31 - Cubesats/PW-Sat 1/Laser Relativity Satellite (LARES) Vega Launch (Inaugural Vega Launch)
Dec 31 - Mars Reconnaissance Orbiter, End of Primary Mission
Dec 31 - Asteroid 2004 JX20 Near-Venus Flyby (0.050 AU)
January 2011
Jan ?? - SRE-2 PSLV Launch
Jan ?? - NROL-29 Atlas 5 Launch
Jan ?? - Sinosat 4 CZ-3B Launch
Jan ?? - NROL-34 Atlas 5 Launch
Jan ?? - AMC-1R Ariane 5 Launch
Jan ?? - Intelsat 17 Ariane 5 Launch
Jan ?? - HJ-1C CZ-2C Launch
* Jan ?? - Radio-Astron (Spektr R) Zenit 3F Launch
Jan ?? - 10th Anniversary (2001), Discovery of NWA 1669 Meteorite (Mars Meteorite)
Jan ?? - 10th Anniversary (2001), Discovery of NWA 1950 Meteorite (Mars Meteorite)
Jan 01 - Cassini, Orbital Trim Maneuver #273 (OTM-273)
Jan 01 - 210th Anniversary (1801), Guiseppe Piazzi's Discovery of the First
Asteroid (Ceres)
Jan 02 - Asteroid 1816 Liberia Occults HIP 35951 (5.2 Magnitude Star)
Jan 02 - Asteroid 1235 Schorria Occults HIP 115544 (6.7 Magnitude Star)
Jan 03 - Earth At Perihelion
Jan 03 - Quadrantids Meteor Shower Peak
Jan 03 - Asteroid 5281 Lindstrom Closest Approach To Earth (1.969 AU)
Jan 03 - Asteroid 12397 Peterbrown Closest Approach To Earth (2.061 AU)
Jan 03 - 25th Anniversary (1986), Stephen Synnott's Discovery of Uranus Moons
Juliet & Portia
Jan 03 - Grigori Neujmin's 125th Birthday (1886)
Jan 04 - Partial Solar Eclipse, Visible in Europe, Africa, Asia
Jan 04 - Asteroid 6318 Cronkite Closest Approach To Earth (0.910 AU)
Jan 04 - Asteroid 2912 Lapalma Closest Approach To Earth (1.278 AU)
Jan 05 - Asteroid 2675 Tolkien Closest Approach To Earth (1.249 AU)
Jan 05 - Asteroid 9777 Enterprise Closest Approach To Earth (1.964 AU)
Jan 05 - Asteroid 2224 Tucson Closest Approach To Earth (2.035 AU)
Jan 05 - Asteroid 2906 Caltech Closest Approach To Earth (2.200 AU)
Jan 05 - Asteroid 1958 Chandra Closest Approach To Earth (2.620 AU)
Jan 07 - Asteroid 5066 Garradd Closest Approach To Earth (1.320 AU)
Jan 07 - Asteroid 99905 Jeffgrossman Closest Approach To Earth (2.189 AU)
Jan 08 - Cassini, Orbital Trim Maneuver #274 (OTM-274)
Jan 08 - Venus At Its Greatest Western Elongation (47 Degrees)
Jan 08 - Asteroid 17898 Scottsheppard Closest Approach To Earth (1.273 AU)
Jan 09 - Mercury At Its Greatest Western Elongation (23 Degrees)
Jan 09 - Comet C/2009 K3 (Beshore) Perihelion (3.902 AU)
Jan 09 - Asteroid 4231 Fireman Occults HIP 29545 (6.6 Magnitude Star)
Jan 09 - Asteroid 2002 RB182 Near-Earth Flyby (0.070 AU)
Jan 09 - Asteroid 84225 Verish Closest Approach To Earth (1.044 AU)
Jan 09 - Asteroid 6470 Aldrin Closest Approach To Earth (1.205 AU)
Jan 09 - Asteroid 12760 Maxwell Closest Approach To Earth (2.274 AU)
Jan 09 - Asteroid 3061 Cook Closest Approach To Earth (2.423 AU)
Jan 09 - 25th Anniversary (1986), Stephen Synnott's Discovery of Uranus Moon Cressida
Jan 10 - Cassini, Distant Flyby of Pandora, Methone
* Jan 10 - Comet P/2010 P2 (LINEAR) Closest Approach To Earth (1.590 AU)
Jan 10 - Robert Wilson's 75th Birthday (1936)
Jan 11 - Cassini, Rhea Flyby
Jan 11 - Cassini, Distant Flyby of Titan
* Jan 11 - Comet C/2009 K3 (Beshore) Closest Approach To Earth (3.106 AU)
Jan 11 - Asteroid 2009 BS5 Near-Earth Flyby (0.005 AU)
Jan 11 - Asteroid 2000 AZ93 Near-Earth Flyby (0.048 AU)
Jan 11 - Asteroid 2005 EE Near-Earth Flyby (0.100 AU)
Jan 11 - Asteroid 8749 Beatles Closest Approach To Earth (0.878 AU)
Jan 11 - Asteroid 1855 Korolev Closest Approach To Earth (1.199 AU)
Jan 11 - Asteroid 2322 Kitt Peak Closest Approach To Earth (1.302 AU)
Jan 11 - Asteroid 2246 Bowell Closest Approach To Earth (2.813 AU)
Jan 12 - Comet 9P/Tempel Perihelion (1.510 AU)
Jan 12 - Comet 228P/LINEAR Closest Approach To Earth (2.567 AU)
Jan 12 - Asteroid 6154 Stevesynnott Closest Approach To Earth (1.882 AU)
Jan 13 - 25th Anniversary (1986), Stephen Synnott's Discovery of Uranus Moons
Desdemona, Rosalind & Belinda
Jan 14 - Cassini, Orbital Trim Maneuver #275 (OTM-275)
Jan 14 - Cassini, Distant Flyby of Titan
Jan 14 - Asteroid 4343 Tetsuya Occults HIP 20732 (4.7 Magnitude Star)
Jan 14 - Asteroid 12927 Pinocchio Closest Approach To Earth (1.255 AU)
Jan 14 - Asteroid 7536 Fahrenheit Closest Approach To Earth (2.306 AU)
* Jan 15 - NROL-49 Delta 4H Launch
Jan 15 - Asteroid 9253 Oberth Closest Approach To Earth (1.722 AU)
Jan 15 - 5th Anniversary (2006), Stardust, Capsule Return To Earth
Jan 15 - 10th Annniversary (2001), Stardust, Earth Flyby
Jan 15 - 35th Anniversary (1976), Helios 2 Launch (Solar Orbiter)
Jan 16 - Aquarius Delta 2 Launch
Jan 17 - Asteroid 2843 Yeti Closest Approach To Earth (1.073 AU)
Jan 17 - Asteroid 1831 Nicholson Closest Approach To Earth (1.472 AU)
* Jan 17 - Kuiper Belt Object 208996 (2003 AZ84) Closest Approach To Earth (44.305 AU)
Jan 18 - Asteroid 150 Nuwa Occults HIP 41040 (6.8 Magnitude Star)
Jan 18 - Asteroid 21564 Widmanstatten Closest Approach To Earth (2.172 AU)
Jan 19 - Asteroid 6312 Robheinlein Closest Approach To Earth (1.080 AU)
Jan 19 - 5th Anniversary (2006), New Horizons Launch (Pluto Mission)
Jan 19 - Jacobus Kapteyn's 160th Birthday (1851)
Jan 20 - HTV-2 H-2B Launch
Jan 20 - Asteroid 7392 Kowalski Closest Approach To Earth (1.652 AU)
Jan 20 - 25th Anniversary (1986), Rich Terrile's Discovery of Uranus Moons
Cordelia & Ophelia
* Jan 21 - Asteroid 23 Thalia At Opposition (9.1 Magnitude)
Jan 21 - Asteroid 3252 Johnny Closest Approach To Earth (1.389 AU)
Jan 22 - Asteroid 2625 Jack London Closest Approach To Earth (1.523 AU)
Jan 22 - Asteroid 12524 Conscience Closest Approach To Earth (1.693 AU)
Jan 23 - Asteroid 1620 Geographos Closest Approach To Earth (1.190 AU)
Jan 23 - Asteroid 12426 Racquetball Closest Approach To Earth (1.363 AU)
Jan 23 - 25th Anniversary (1986), Brad Smith's Discovery of Uranus Moon Bianca
Jan 23 - Glenn Research Center's 70th Birthday (1941)
* Jan 24 - Asteroid 7 Iris At Opposition (7.9 Magnitude)
Jan 24 - Asteroid 9860 Archaeopteryx Closest Approach To Earth (2.424 AU)
Jan 24 - 25th Anniversary (1986), Voyager 2, Uranus Flyby
Jan 25 - Asteroid 2006 QM111 Near-Earth Flyby (0.019 AU)
Jan 25 - Asteroid 2614 Torrence Closest Approach To Earth (1.693 AU)
Jan 25 - Joseph Lagrange's 275th Birthday (1736)
Jan 27 - Asteroid 26868 Misterrogers Closest Approach To Earth (1.515 AU)
Jan 27 - Asteroid 2620 Santana Closest Approach To Earth (1.903 AU)
Jan 27 - Asteroid 397 Vienna Closest Approach To Earth (1.948 AU)
Jan 27 - Asteroid 439 Ohio Closest Approach To Earth (2.077 AU)
Jan 28 - Comet C/2009 Y1 (Catalina) Perihelion (2.521 AU)
Jan 28 - Asteroid 16761 Hertz Closest Approach To Earth (1.920 AU)
Jan 28 - 25th Anniversary (1986), Space Shuttle Challenger Accident
Jan 28 - Johannes Hevelius' 400th Birthday (1611)
Jan 29 - Comet C/2010 D2 (WISE) Closest Approach To Earth (3.182 AU)
Jan 30 - Asteroid 496 Gryphia Occults HIP 42560 (6.8 Magnitude Star)
Jan 31 - Cassini, Distant Flyby of Epimetheus, Calypso, Prometheus, Enceladus,
& Helene
Jan 31 - Cassini, Orbital Trim Maneuver #276 (OTM-276)
Jan 31 - Asteroid 1999 CG9 Near-Earth Flyby (0.095 AU)
Jan 31 - Asteroid 8299 Tealeoni Closest Approach To Earth (1.315 AU)
Jan 31 - Asteroid 334 Chicago Closest Approach To Earth (2.983 AU)
Jan 31 - 40th Anniversary (1971), Apollo 14 Launch (3rd Manned Moon Landing)
Jan 31 - 45th Anniversary (1966), Luna 9 Launch (USSR Moon Lander)
Jan 31 - 50th Anniversary (1961), Mercury-Redstone 2 Launch (Ham The Chimpanzee)
February 2011
Feb ?? - CBERS 3 CZ-4B Launch
Feb ?? - SSR-1 VSL-1 Launch (Brazil)
Feb ?? - NROL-39 Atlas 5 Launch
Feb ?? - TerreStar 2 Ariane 5 Launch
Feb ?? - Cosmos Glonass K1+K2 Soyuz 2 Fregat Launch
Feb ?? - Afristar 3 (Worldstar 3) Ariane 5 Launch
Feb ?? - Unamsat 3 Dnepr 1 Launch
Feb ?? - Dragonlab 1 Falcon 9 Launch
Feb ?? - Galileo IOV 1 & 2 Soyuz 2-1b-Fregat Launch
Feb ?? - Yahsat 1A Ariane 5 Launch
Feb ?? - Lapansat 2 Dnepr 1 Launch
Feb ?? - Bluesat Dnepr 1 Launch
Feb ?? - Hausat 2 Dnepr 1 Launch
Feb ?? - Insat 4-G Ariane 5 Launch
Feb ?? - Katysat 1/KiwiSat/Atmocube/Cubesat-RAFT/Funsat/UCISAT Dnepr 1 Launch
Feb ?? - Yubileyniy 2 Rokot KM Launch
Feb ?? - Kanopus-V/Belka 2/MKA-DKI/Baumanets-2 Soyuz FG-Fregat Launch
* Feb ?? - X-Sat PSLV Launch
* Feb ?? - AEHF F-2 Atlas 5 Launch
* Feb ?? - Intelsat 18 Zenit 3SLB Launch
Feb 02 - Comet C/2010 FB87 (WISE-Garradd) Closest Approach To Earth (2.693 AU)
Feb 02 - Asteroid 2097 Galle Closest Approach To Earth (2.764 AU)
Feb 03 - Chinese New Year
Feb 03 - Asteroid 2008 CK Near-Earth Flyby (0.043 AU)
Feb 03 - Asteroid 2006 SU217 Near-Earth Flyby (0.085 AU)
Feb 03 - Asteroid 1998 HE3 Near-Earth Flyby (0.097 AU)
Feb 03 - Asteroid 12002 Sues Closest Approach To Earth (2.386 AU)
Feb 03 - Asteroid 3581 Alvarez Closest Approach To Earth (3.037 AU)
Feb 03 - 45th Anniversary (1966), Luna 9 Landing on the Moon (1st Moon Landing)
Feb 04 - Asteroid 13667 Samthurman Closest Approach To Earth (1.466 AU)
Feb 04 - Asteroid 21459 Chrisrussell Closest Approach To Earth (1.552 AU)
Feb 04 - Clyde Tombaugh's 105th Birthday (1906)
Feb 05 - Asteroid 30439 Moe Closest Approach To Earth (1.243 AU)
Feb 05 - Asteroid 2829 Bobhope Closest Approach To Earth (2.677 AU)
Feb 06 - Asteroid 253 Mathilde Occults TYC 0661-00150-1 (10.7 Magnitude Star)
Feb 06 - Asteroid 2709 Sagan Closest Approach To Earth (1.120 AU)
Feb 06 - Asteroid 10001 Palermo Closest Approach To Earth (1.436 AU)
Feb 06 - Asteroid 1818 Brahms Closest Approach To Earth (1.562 AU)
Feb 06 - Asteroid 1862 Apollo Closest Approach To Earth (1.588 AU)
Feb 06 - 20th Anniversary (1991), Salyut-7 Burnup In Earth's Atmosphere
(Soviet Union Space Station)
Feb 07 - Comet C/2010 B1 (Cardinal) Perihelion (2.942 AU)
Feb 08 - Asteroid 945 Barcelona Closest Approach To Earth (1.241 AU)
Feb 08 - 10th Anniversary (2001), Discovery of the SAU 094 Meteorite (Mars Meteorite)
Feb 09 - Asteroid 99942 Apophis Closest Approach To Earth (1.219 AU)
Feb 09 - Asteroid 32096 Puckett Closest Approach To Earth (1.950 AU)
* Feb 10 - Asteroid 44 Nysa At Opposition (8.9 Magnitude)
Feb 11 - Asteroid 2008 CQ116 Near-Earth Flyby (0.086 AU)
Feb 11 - Asteroid 3773 Smithsonian Closest Approach To Earth (1.523 AU)
Feb 11 - Asteroid 15845 Bambi Closest Approach To Earth (1.567 AU)
Feb 11 - Kuiper Belt Object 55565 (2002 AW197) Closest Approach To Earth (45.342 AU)
Feb 12 - Asteroid 589 Croatia Closest Approach To Earth (2.185 AU)
Feb 12 - Asteroid 1388 Aphrodite Closest Approach To Earth (2.336 AU)
Feb 12 - 10th Anniversary (2001), NEAR, Asteroid Eros Landing
Feb 13 - Asteroid 3001 Michelangelo Closest Approach To Earth (1.339 AU)
Feb 13 - Asteroid 990 Yerkes Closest Approach To Earth (2.100 AU)
Feb 14 - Stardust, Tempel 1 Flyby
Feb 14 - Comet 203P/Korlevic Closest Approach To Earth (2.735 AU)
Feb 14 - Asteroid 848 Inna Occults HIP 47291 (6.7 Magnitude Star)
Feb 14 - Asteroid 5553 Chodas Closest Approach To Earth (1.206 AU)
Feb 15 - Cassini, Orbital Trim Maneuver #277 (OTM-277)
Feb 15 - Asteroid 9950 ESA Closest Approach To Earth (2.488 AU)
Feb 16 - Asteroid 2009 QH6 Near-Earth Flyby (0.041 AU)
Feb 16 - Asteroid 449 Hamburga Closest Approach To Earth (1.136 AU)
Feb 16 - Asteroid 2069 Hubble Closest Approach To Earth (1.677 AU)
Feb 17 - Asteroid 3157 Novikov Occults HIP 83196 (5.7 Magnitude Star)
Feb 17 - 15th Anniversary (1996), NEAR Launch (Asteroid Orbiter/Lander)
Feb 18 - Cassini, Titan Flyby
Feb 18 - Asteroid 7086 Bopp Closest Approach To Earth (1.142 AU)
Feb 18 - Asteroid 1677 Tycho Brahe Closest Approach To Earth (1.773 AU)
Feb 20 - Cassini, Distant Flyby of Enceladus, Pallene & Tethys
Feb 20 - Asteroid 2007 FS3 Near-Earth Flyby (0.060 AU)
Feb 20 - Asteroid 727 Nipponia Closest Approach To Earth (1.636 AU)
Feb 20 - Asteroid 1241 Dysona Closest Approach To Earth (2.411 AU)
Feb 20 - 25th Anniversary (1986), Mir Space Station Launch
Feb 21 - Cassini, Orbital Trim Maneuver #278 (OTM-278)
Feb 21 - Asteroid 7495 Feynman Closest Approach To Earth (1.385 AU)
Feb 21 - Kuiper Belt Object 90482 Orcus Closest Approach To Earth (46.988 AU)
Feb 22 - Asteroid 5050 Doctorwatson Closest Approach To Earth (1.495 AU)
Feb 22 - Asteroid 25930 Spielberg Closest Approach To Earth (1.634 AU)
Feb 22 - 55th Anniversary (1966), Kosmos 110 Launch (Carried Two Dogs: Veterok & Ugolyok)
Feb 23 - Asteroid 1981 Midas Closest Approach To Earth (0.508 AU)
Feb 24 - Asteroid 2955 Newburn Closest Approach To Earth (1.284 AU)
Feb 25 - Comet 31P/Schwassmann-Wachmann 2 Closest Approach To Earth (2.489 AU)
Feb 25 - Asteroid 73 Klytia Occults HIP 90610 (6.6 Magnitude Star)
Feb 25 - Asteroid 7328 Casanova Closest Approach To Earth (2.060 AU)
Feb 26 - STS-134 Launch, Space Shuttle Endeavour, International Space Station
Feb 26 - Asteroid 2004 EK1 Near-Earth Flyby (0.056 AU)
* Feb 27 - Dragon C-2 Falcon 9 Launch
Feb 28 - Comet C/2009 U5 (Grauer) Closest Approach To Earth (5.410 AU)
Feb 28 - Asteroid 347 Pariana Occults HIP 12354 (6.8 Magnitude Star)
Feb 28 - Asteroid 2009 FY4 Near-Earth Flyby (0.066 AU)
Feb 28 - Asteroid 4957 Brucemurray Closest Approach To Earth (1.229 AU)
Feb 28 - Asteroid 1997 Leverrier Closest Approach To Earth (1.656 AU)
March 2011
Mar ?? - Meteor 3M N2 Soyuz 2-1B Launch
Mar ?? - Luch 5A/Amos 5 Proton M-Briz M Launch
Mar ?? - Express AM-4/Express MD-2 Proton M-Briz M Launch
Mar ?? - Dialog 1 Rokot-Briz Launch
Mar ?? - Astrosat 1 PSLV Launch (India)
Mar ?? - Insat 3-D GSLV Launch (India)
Mar ?? - Pleiades 1/Elisa 1-4 Soyuz STA-Fregat Launch
Mar ?? - Dragon C-3 Falcon 9 Launch
Mar ?? - EuropaSat Proton M-Briz M Launch
Mar ?? - KOMPSat 5 (Arirang 5) Dnepr 1 Launch
Mar ?? - 10th Anniversary (2001), Discovery of NWA 1950 Meteorite (Mars Meteorite)
Mar ?? - 10th Anniversary (2001), Discovery of NWA 856 Meteorite (Mars Meteorite)
Mar 01 - Asteroid 306 Unitas Occults HIP 73565 (6.9 Magnitude Star)
Mar 01 - Asteroid 434 Hungaria Closest Approach To Earth (1.084 AU)
Mar 01 - 45th Anniversary (1966), Venera 3, Venus Impact (USSR)
Mar 02 - Cassini, Orbital Trim Maneuver #279 (OTM-279)
Mar 02 - Asteroid 67 Asia Closest Approach To Earth (1.805 AU)
Mar 03 - Comet 231P/LINEAR-NEAT Closest Approach To Earth (2.072 AU)
Mar 03 - Comet P/2003 S2 (NEAT) Perihelion (2.456 AU)
Mar 03 - Asteroid 18626 Michaelcarr Closest Approach To Earth (0.957 AU)
Mar 03 - Asteroid 9618 Johncleese Closest Approach To Earth (1.716 AU)
Mar 03 - Asteroid 4305 Clapton Closest Approach To Earth (1.723 AU)
Mar 04 - Asteroid 31227 (1998 BC41) Occults HIP 54029 (5.5 Magnitude Star)
Mar 05 - Comet 82P/Gehrels 3 Closest Approach To Earth (2.856 AU)
Mar 05 - Asteroid 4169 Celsius Closest Approach To Earth (2.808 AU)
Mar 06 - Asteroid 2010 CO1 Near-Earth Flyby (0.082 AU)
Mar 06 - Asteroid 5535 Annefrank Closest Approach To Earth (1.109 AU)
Mar 06 - 25th Anniversary (1986), Vega 1, Comet Halley Flyby
Mar 07 - Comet 29P/Schwassmann-Wachmann 1 Closest Approach To Earth (5.263 AU)
Mar 07 - Asteroid 5451 Plato Closest Approach To Earth (1.585 AU)
Mar 08 - Asteroid 3678 Mongmanwai Occults HIP 45153 (6.9 Magnitude Star)
Mar 08 - Asteroid 1815 Beethoven Closest Approach To Earth (1.815 AU)
Mar 08 - 25th Anniversary (1986), Susei, Comet Halley Flyby
Mar 09 - Asteroid 3784 Chopin Closest Approach To Earth (2.393 AU)
Mar 09 - Asteroid 1134 Kepler Closest Approach To Earth (2.929 AU)
Mar 09 - 25th Anniversary (1986), Vega 2, Comet Halley Flyby
Mar 09 - 50th Anniversary (1961), Sputnik 9 Launch (Carried Dog Named Chernushka)
* Mar 10 - Comet P/2010 N2 (Read) Perihelion (2.360 AU)
Mar 10 - Asteroid 2008 EY5 Near-Earth Flyby (0.090 AU)
Mar 10 - 5th Anniversary (1996), Mars Reconnaissance Orbiter, Mars Orbit Insertion
Mar 10 - 25th Anniversary (1986), Sakigake, Comet Halley Flyby
Mar 11 - Asteroid 21 Lutetia Occults TYC 6842-01871-1 (10.1 Magnitude Star)
Mar 11 - Asteroid 2005 EY169 Near-Earth Flyby (0.073 AU)
Mar 11 - Urbain Leverrier's 200th Birthday (1811)
Mar 12 - Asteroid 3 Juno At Opposition (8.9 Magnitude)
Mar 12 - Asteroid 18725 Atacama Closest Approach To Earth (1.728 AU)
Mar 13 - Daylight Saving - Set Clock Ahead 1 Hour (United States)
Mar 13 - Asteroid 2 Pallas Occults TYC 1058-01234-1 (10.2 Magnitude Star)
Mar 13 - Asteroid 3255 Tholen Closest Approach To Earth (1.668 AU)
Mar 13 - Asteroid 6984 Lewiscarroll Closest Approach To Earth (2.747 AU)
Mar 13 - 25th Anniversary (1986), Giotto, Comet Halley Flyby
Mar 13 - 230th Anniversary (1781), William Herschel's Discovery of Uranus
Mar 14 - Asteroid 2008 FL7 Near-Earth Flyby (0.033 AU)
Mar 14 - Asteroid 2005 ES70 Near-Earth Flyby (0.058 AU)
* Mar 15 - Asteroid 20 Massalia At Opposition (8.8 Magnitude)
Mar 16 - Asteroid 17058 Rocknroll Closest Approach To Earth (1.553 AU)
Mar 16 - 45th Anniversary (1966), Gemini 8 Launch (Neil Armstrong & David Scott)
Mar 16 - 85th Anniversary (1926), 1st Liquid Fuel Rocket Launch By Robert Goddard
Mar 17 - Asteroid 4 Vesta Occults TYC 6307-02211-1 (11.5 Magnitude Star)
Mar 17 - Asteroid 8837 London Closest Approach To Earth (1.024 AU)
Mar 17 - Asteroid 9951 Tyrannosaurus Closest Approach To Earth (1.524 AU)
Mar 17 - Asteroid 1198 Atlantis Closest Approach To Earth (1.991 AU)
Mar 17 - Asteroid 2404 Antarctica Closest Approach To Earth (2.049 AU)
Mar 17 - Asteroid 37452 Spirit Closest Approach To Earth (3.514 AU)
Mar 18 - MESSENGER, Mercury Orbit Insertion
Mar 18 - New Horizons, Crosses Uranus' Orbit
Mar 18 - Asteroid 2 Pallas Occults TYC 1058-02883-1 (10.6 Magnitude Star)
Mar 18 - Asteroid 9249 Yen Closest Approach To Earth (1.294 AU)
Mar 18 - Asteroid 128 Nemesis Closest Approach To Earth (2.077 AU)
Mar 18 - Asteroid 8000 Isaac Newton Closest Approach To Earth (2.254 AU)
Mar 18 - Dwarf Planet 136472 Makemake Closest Approach To Earth (51.335 AU)
Mar 19 - Asteroid 6456 Golombek Closest Approach To Earth (1.565 AU)
Mar 19 - Asteroid 2309 Mr. Spock Closest Approach To Earth (2.101 AU)
Mar 20 - Cassini, Distant Flyby of Telesto
Mar 20 - Vernal Equinox, 23:21 UT
Mar 20 - Comet 43P/Wolf-Harrington Closest Approach To Earth (1.936 AU)
Mar 20 - Asteroid 2008 EF85 Near-Earth Flyby (0.066 AU)
Mar 21 - Asteroid 6469 Armstrong Closest Approach To Earth (1.493 AU)
Mar 21 - Asteroid 25275 Jocelynbell Closest Approach To Earth (1.520 AU)
Mar 23 - Mercury At Its Greatest Eastern Elongation (19 Degrees)
* Mar 23 - Comet 152P/Helin-Lawrence Closest Approach To Earth (2.951 AU)
Mar 23 - Asteroid 2010 FN Near-Earth Flyby (0.053 AU)
Mar 24 - Asteroid 2142 Landau Occults HIP 48324 (6.5 Magnitude Star)
Mar 24 - Asteroid 3 Juno Occults UCAC2 33756351 (11.7 Magnitude Star)
Mar 24 - Asteroid 2161 Grissom Closest Approach To Earth (2.187 AU)
Mar 24 - Asteroid 2421 Nininger Closest Approach To Earth (2.407 AU)
Mar 25 - Asteroid 1740 Paavo Nurmi Closest Approach To Earth (1.927 AU)
Mar 25 - Asteroid 4969 Lawrence Closest Approach To Earth (1.999 AU)
Mar 25 - 15th Anniversary (1996), Comet Hyakutake Near-Earth Flyby (0.10 AU)
Mar 25 - 50th Anniversary (1961), Sputnik 10 Launch (Carried Dog Named Zvezdochka)
Mar 26 - Comet P/2010 C1 (Scotti) Closest Approach To Earth (4.550 AU)
Mar 26 - Asteroid 23990 Springsteen Closest Approach To Earth (1.321 AU)
Mar 26 - Asteroid 1381 Danubia Closest Approach To Earth (1.919 AU)
Mar 27 - Daylight Saving - Set Clock Ahead 1 Hour (Europe)
Mar 27 - Asteroid 3395 Jitka Occults HIP 68267 (6.9 Magnitude Star)
Mar 27 - Asteroid 3768 Monroe Closest Approach To Earth (2.769 AU)
Mar 28 - Asteroid 2200 Pasadena Closest Approach To Earth (1.051 AU)
Mar 28 - 25th Anniversary (1986), ICE, Comet Halley Distant Flyby
Mar 29 - Asteroid 7000 Curie Closest Approach To Earth (2.126 AU)
Mar 30 - Soyuz TMA-21 Soyuz FG Launch (International Space Station 26S)
Mar 30 - Asteroid 7367 Giotto Closest Approach To Earth (1.801 AU)
Mar 31 - Asteroid 9349 Lucas Closest Approach To Earth (1.659 AU)
Mar 31 - 45th Anniversary (1966), Luna 10 Launch (USSR Moon Orbiter)
April 2011
Apr ?? - AFSPC-2 Atlas 5 Launch
Apr ?? - Electro-L Zenit 3F Launch
Apr ?? - ViaSat 1 Proton M-Briz M Launch
Apr ?? - HTV-3 H-2B Launch (International Space Station, Japan)
* Apr ?? - Megha-Tropiques PSLV Launch
Apr 01 - Asteroid 1582 Martir Occults HIP 64445 (5.8 Magnitude Star)
Apr 01 - Asteroid 7231 Porco Closest Approach To Earth (2.375 AU)
Apr 02 - Asteroid 2009 UD Near-Earth Flyby (0.096 AU)
Apr 03 - Saturn At Opposition
Apr 03 - Asteroid 9661 Hohmann Closest Approach To Earth (3.775 AU)
Apr 03 - 45th Anniversary (1966), Luna 10, Moon Orbit Insertion (USSR)
Apr 04 - Asteroid 11714 Mikebrown Closest Approach To Earth (1.948 AU)
* Apr 05 - Asteroid 11 Parthenope At Opposition (9.9 Magnitude)
Apr 05 - 20th Anniversary (1991), Compton Gamma Ray Observatory Launch
Apr 06 - Asteroid 141 Lumen Occults HIP 71890 (6.6 Magnitude Star)
Apr 06 - Asteroid 2009 HE60 Near-Earth Flyby (0.081 AU)
Apr 06 - Asteroid 1069 Planckia Closest Approach To Earth (1.835 AU)
Apr 07 - Asteroid 9963 Sandage Closest Approach To Earth (2.066 AU)
* Apr 07 - Kuiper Belt Object 136108 Haumea At Opposition (50.073 AU)
Apr 08 - Asteroid 4547 Massachusetts Closest Approach To Earth (1.792 AU)
Apr 09 - Asteroid 13681 Monty Python Closest Approach To Earth (1.916 AU)
Apr 10 - Asteroid 827 Wolfiana Closest Approach To Earth (1.623 AU)
Apr 11 - Asteroid 1726 Hoffmeister Occults HIP 65074 (6.7 Magnitude Star)
Apr 11 - Asteroid 12382 Niagara Falls Closest Approach To Earth (1.783 AU)
Apr 11 - Asteroid 804 Hispania Closest Approach To Earth (2.085 AU)
Apr 11 - Asteroid 40227 Tahiti Closest Approach To Earth (3.466 AU)
Apr 11 - 5th Anniversary (2006), Venus Express, Venus Orbit Insertion
* Apr 12 - Asteroid 51 Nemausa At Opposition (9.9 Magnitude)
Apr 12 - Asteroid 2305 King Closest Approach To Earth (1.864 AU)
Apr 12 - Yuri's Night: World Space Party
Apr 12 - 30th Anniversary (1981), 1st Space Shuttle Launch (Robert Crippen & John Young)
Apr 12 - 50th Anniversary (1961), Vostok 1 Launch (1st Man in Space - Yuri Gagarin)
Apr 12 - Edward Maunder's 160th Birthday (1851)
Apr 13 - Asteroid 9965 GNU Closest Approach To Earth (1.091 AU)
Apr 14 - Asteroid 14702 Benclark Closest Approach To Earth (2.036 AU)
Apr 15 - Cassini, Orbital Trim Maneuver #280 (OTM-280)
Apr 15 - Asteroid 2007 WC5 Near-Earth Flyby (0.089 AU)
Apr 15 - Asteroid 64070 NEAT Closest Approach To Earth (1.982 AU)
Apr 16 - Asteroid 3767 DiMaggio Closest Approach To Earth (1.293 AU)
Apr 16 - Asteroid 3728 IRAS Closest Approach To Earth (1.945 AU)
Apr 16 - Asteroid 39382 Opportunity Closest Approach To Earth (3.528 AU)
Apr 17 - Cassini, Distant Flyby of Aegaeon & Helene
Apr 17 - 35th Anniversary (1976), Closest Ever Flyby of the Sun by Spacecraft (Helios 2)
Apr 19 - Cassini, Titan Flyby
Apr 19 - Asteroid 2006 HF6 Near-Earth Flyby (0.013 AU)
Apr 19 - 40th Anniversary (1971), Salyut 1 Launch (1st Space Station)
Apr 20 - Comet C/2010 F3 (Scotti) Closest Approach To Earth (4.745 AU)
Apr 20 - Asteroid 3905 Doppler Closest Approach To Earth (2.018 AU)
Apr 21 - Asteroid 9548 Fortran Closest Approach To Earth (1.642 AU)
Apr 22 - Cassini, Orbital Trim Maneuver #281 (OTM-281)
Apr 22 - Lyrids Meteor Shower Peak
Apr 22 - Asteroid 216 Kleopatra Closest Approach To Earth (2.484 AU)
Apr 23 - Asteroid 2010 HW20 Near-Earth Flyby (0.068 AU)
Apr 23 - Asteroid 8084 Dallas Closest Approach To Earth (1.676 AU)
Apr 24 - Easter Sunday
Apr 24 - Comet 227P/Catalina-LINEAR Closest Approach To Earth (1.681 AU)
Apr 24 - Comet P/2004 T1 (LINEAR-NEAT) Perihelion (1.708 AU)
Apr 24 - Asteroid 2003 FF5 Near-Earth Flyby (0.055 AU)
Apr 26 - Asteroid 21 Lutetia Occults TYC 6873-00257-1 (8.6 Magnitude Star)
Apr 26 - Asteroid 9342 Carygrant Closest Approach To Earth (1.610 AU)
Apr 27 - Progress M-10M Soyuz U Launch (International Space Station 42P)
Apr 27 - Asteroid 2008 UC202 Near-Earth Flyby (0.023 AU)
Apr 27 - Asteroid 2410 Morrison Closest Approach To Earth (1.084 AU)
Apr 27 - Asteroid 11365 NASA Closest Approach To Earth (1.475 AU)
Apr 28 - Asteroid 2008 JV2 Near-Earth Flyby (0.059 AU)
Apr 28 - Asteroid 3350 Scobee Closest Approach To Earth (1.412 AU)
Apr 28 - Asteroid 770 Bali Closest Approach To Earth (1.509 AU)
Apr 28 - Asteroid 12820 Robinwilliams Closest Approach To Earth (2.047 AU)
Apr 29 - Cassini, Orbital Trim Maneuver #282 (OTM-282)
Apr 29 - Asteroid 1554 Yugoslavia Closest Approach To Earth (1.927 AU)
Apr 30 - Asteroid 38086 Beowolf Closest Approach To Earth (0.720)
Apr 30 - Asteroid 2362 Mark Twain Closest Approach To Earth (1.504 AU)
Apr 30 - Asteroid 2198 Ceplecha Closest Approach To Earth (2.092 AU)
* Apr 30 - Kuiper Belt Object 90568 (2004 GV9) At Opposition (38.232 AU)
May 2011
May ?? - Shi Jian 9 CZ-2D2 Launch (China)
* May ?? - Zohreh 1 Soyuz FG-Fregat Launch
* May ?? - NROL-25 Delta 4M Launch
May 01 - Asteroid 2099 Opik Closest Approach To Earth (2.049 AU)
May 02 - Asteroid 2009 UK20 Near-Earth Flyby (0.022 AU)
May 02-08 - Astronomy Week
May 05 - Cassini, Orbital Trim Maneuver #283 (OTM-283)
May 05 - Eta Aquarids Meteor Shower Peak
May 05 - Asteroid 35352 Texas Closest Approach To Earth (1.218 AU)
May 05 - Asteroid 1278 Kenya Closest Approach To Earth (1.539 AU)
May 05 - Asteroid 2825 Crosby Closest Approach To Earth (1.625 AU)
May 05 - 50th Anniversary (1961), Freedom 7 Launch (Alan Shepard, 1st US Man in Space)
May 06 - Space Day
May 06 - Asteroid 1484 Postrema Occults HIP 97401 (6.9 Magnitude Star)
May 06 - Asteroid 2010 KX7 Near-Earth Flyby (0.071 AU)
May 06 - Asteroid 149244 Kriegh Closest Approach To Earth (0.942 AU)
May 06 - Asteroid 4701 Milani Closest Approach To Earth (2.065 AU)
May 06 - Asteroid 2598 Merlin Closest Approach To Earth (2.366 AU)
May 07 - Astronomy Day
May 07 - Mercury At Its Greatest Western Elongation (27 Degrees)
May 07 - Comet P/2010 H5 (Scotti) Closest Approach To Earth (5.115 AU)
May 08 - Cassini, Titan Flyby
May 08 - Asteroid 9937 Triceratops Closest Approach To Earth (1.804 AU)
May 09 - Comet C/2009 UG89 (Lemmon) Closest Approach To Earth (3.567 AU)
May 09 - Asteroid 484 Pittsburghia Closest Approach To Earth (1.692 AU)
May 10 - Asteroid 27 Euterpe Occults HIP 115953 (6.3 Magnitude Star)
May 10 - Asteroid 886 Washingtonia Closest Approach To Earth (2.671 AU)
May 11 - Cassini, Orbital Trim Maneuver #284 (OTM-284)
May 11 - Asteroid 2006 DO62 Near-Earth Flyby (0.024 AU)
May 11 - Asteroid 6775 Giorgini Closest Approach To Earth (1.407 AU)
May 11 - Asteroid 6524 Baalke Closest Approach To Earth (1.673 AU)
May 11 - Theodore Von Karman's 130th Birthday (1881)
May 12 - Asteroid 2975 Spahr Closest Approach To Earth (1.062 AU)
May 12 - Asteroid 12574 LONEOS Closest Approach To Earth (1.863 AU)
May 12 - Asteroid 8300 Kronk Closest Approach To Earth (1.922 AU)
May 12 - Asteroid 7291 Hyakutake Closest Approach To Earth (2.764 AU)
* May 13 - Asteroid 10 Hygiea At Opposition (9.1 Magnitude)
May 13 - Asteroid 2791 Paradise Closest Approach To Earth (1.616 AU)
* May 15 - Comet C/2010 L3 (Catalina) Closest Approach To Earth (9.294 AU)
May 15 - Asteroid 6000 United Nations Closest Approach To Earth (1.912 AU)
May 16 - Comet 231P/LINEAR-NEAT Perihelion (3.033 AU)
May 18 - Asteroid 2006 JF42 Near-Earth Flyby (0.059 AU)
May 18 - Asteroid 141432 (2002 CQ11) Near-Earth Flyby (0.089 AU)
May 18 - Norman Lockyer's 175th Birthday (1836)
May 19 - Asteroid 1877 Marsden Closest Approach To Earth (2.516 AU)
May 20 - Asteroid 1006 Lagrangea Closest Approach To Earth (2.970 AU)
May 21 - Asteroid 293 Brasilia Closest Approach To Earth (1.830 AU)
May 21 - Asteroid 51823 Rickhusband Closest Approach To Earth (2.785 AU)
May 23 - Cassini, Orbital Trim Maneuver #285 (OTM-285)
May 23 - Asteroid 9000 Hal Closest Approach To Earth (1.003 AU)
May 24 - Asteroid 2009 UO1 Near-Earth Flyby (0.055 AU)
May 24 - Asteroid 1691 Oort Closest Approach To Earth (2.674 AU)
May 25 - Comet C/2010 D3 (WISE) Closest Approach To Earth (3.820 AU)
May 25 - Asteroid 767 Bondia Closest Approach To Earth (2.196 AU)
May 25 - 10th Anniversary (2001), Galileo, Callisto 30 Flyby
May 25 - 50th Anniversary (1961), John F. Kennedy's Moon Goal Speech
May 26 - Asteroid 10221 Kubrick Closest Approach To Earth (1.452 AU)
May 26 - Asteroid 2742 Gibson Closest Approach To Earth (2.081 AU)
May 26 - Asteroid 4179 Toutatis Closest Approach To Earth (2.907 AU)
May 28 - Asteroid 2001 Einstein Closest Approach To Earth (0.921 AU)
May 29 - 40th Anniversary (1971), Mars 3 Launch (USSR Mars Orbiter/Lander)
May 30 - Asteroid 1539 Borrelly Closest Approach To Earth (2.597 AU)
May 30 - 40th Anniversary (1971), Mariner 9 Launch (USA Mars Orbiter)
May 30 - 45th Anniversary (1966), Surveyor 1 Launch (USA Moon Lander)
* May 31 - Soyuz TMA-02M Soyuz FG Launch (International Space Station 28S)
May 31 - Asteroid 896 Sphinx Closest Approach To Earth (0.900 AU)
May 31 - Asteroid 3351 Smith Closest Approach To Earth (2.358 AU)
June 2011
Jun ?? - Express AM-4 Proton M-Briz M Launch
Jun ?? - Amsat Phase 3E Express Ariane 5 Launch
Jun ?? - Microscope Ariane 5 Launch
Jun ?? - SES-4 Proton M-Briz M Launch
* Jun ?? - Cygnus Demo Taurus 2 Launch (International Space Station)
Jun 01 - Partial Solar Eclipse, Visible in Asia, N. America, Iceland
Jun 01 - Asteroid 9885 Linux Closest Approach To Earth (1.496 AU)
Jun 01 - Asteroid 5145 Pholus Closest Approach To Earth (23.055 AU)
Jun 02 - Comet 164P/Christensen Perihelion (1.675 AU)
Jun 02 - Asteroid 2009 BD Near-Earth Flyby (0.002 AU)
Jun 02 - Asteroid 447 Valentine Closest Approach To Earth (2.067 AU)
Jun 03 - 45th Anniversary (1966), Gemini 9 Launch (Thomas Stafford & Eugene Cernan)
Jun 04 - Comet P/2010 A2 (LINEAR) Closest Approach To Earth (1.547 AU)
* Jun 04 - Comet C/2009 F4 (McNaught) Closest Approach To Earth (5.179 AU)
Jun 04 - Asteroid 51829 Williemccool Closest Approach To Earth (1.168 AU)
* Jun 04 - Kuiper Belt Object 19521 Chaos At Opposition (42.6604 AU)
Jun 05 - Asteroid 78577 JPL Closest Approach To Earth (2.211 AU)
Jun 06 - Asteroid 11881 Mirstation Closest Approach To Earth (1.597 AU)
Jun 07 - Comet 74P/Smirnova-Chernykh Closest Approach To Earth (3.125 AU)
Jun 07 - Comet C/2008 S3 (Boattini) Perihelion (8.018 AU)
Jun 07 - Asteroid 51824 Mikeanderson Closest Approach To Earth (1.914 AU)
Jun 07 - Asteroid 51826 Kalpanachawla Closest Approach To Earth (2.325 AU)
* Jun 08 - Kuiper Belt Oject 28978 Ixion At Opposition (40.116 AU)
Jun 09 - Comet P/2010 H4 (Scotti) Closest Approach To Earth (4.018 AU)
Jun 11 - Comet 235P/LINEAR Closest Approach To Earth (2.629 AU)
Jun 12 - Asteroid 7672 Hawking Closest Approach To Earth (1.385 AU)
Jun 14 - Asteroid 3130 Hillary Closest Approach To Earth (1.431 AU)
Jun 14 - Kuiper Belt Object 50000 Quaoar Closest Approach To Earth (42.119 AU)
Jun 15 - Total Lunar Eclipse
Jun 15 - Asteroid 2004 LO2 Near-Earth Flyby (0.025 AU)
Jun 16 - Cassini, Orbital Trim Maneuver #286 (OTM-286)
Jun 16 - Comet 213P/Van Ness Perihelion (2.123 AU)
Jun 16 - Asteroid 8952 ODAS Closest Approach To Earth (1.415 AU)
Jun 16 - Asteroid 30441 Curly Closest Approach To Earth (1.856 AU)
Jun 17 - Asteroid 6223 Dahl Closest Approach To Earth (1.798 AU)
Jun 18 - Cassini, Distant Flyby of Helene & Telesto
Jun 18 - Asteroid 2451 Dollfus Closest Approach To Earth (1.368 AU)
Jun 18 - Allan Sandage's 85th Birthday (1926)
Jun 19 - Asteroid 1 Ceres At Opposition (7.0 Magnitude)
Jun 19 - Asteroid 1998 KM3 Near-Earth Flyby (0.093 AU)
Jun 19 - Asteroid 3162 Nostalgia Closest Approach To Earth (2.657 AU)
Jun 20 - Cassini, Titan Flyby
Jun 20 - Asteroid 8103 Fermi Closest Approach To Earth (1.852 AU)
Jun 20 - Asteroid 5223 McSween Closest Approach To Earth (2.233 AU)
Jun 20 - Asteroid 8373 Stephengould Closest Approach To Earth (2.968 AU)
Jun 21 - Summer Solstice, 17:16 UT
Jun 21 - Progress M-11M Soyuz U Launch (International Space Station 43P)
Jun 21 - Asteroid 4 Vesta Occults TYC 6365-00736-1 (11.6 Magnitude Star)
Jun 21 - Asteroid 1602 Indiana Closest Approach To Earth (1.340 AU)
Jun 22 - 35th Anniversary (1976), Salyut 5 Launch (USSR Space Station)
Jun 23 - Comet P/2010 H2 (Vales) Closest Approach To Earth (2.623 AU)
Jun 23 - Asteroid 2009 WW104 Near-Earth Flyby (0.039 AU)
Jun 23 - Asteroid 2010 NY65 Near-Earth Flyby (0.088 AU)
Jun 23 - Asteroid 1655 Comas Sola Closest Approach To Earth (2.392 AU)
Jun 24 - Cassini, Orbital Trim Maneuver #287 (OTM-287)
Jun 24 - Comet 130P/McNaught-Hughes Perihelion (2.098 AU)
Jun 24 - Asteroid 2 Pallas Occults TYC 1639-02448-1 (11.4 Magnitude Star)
Jun 24 - Asteroid 2531 Cambridge Closest Approach To Earth (2.105 AU)
Jun 25 - Comet 234P/LINEAR Closest Approach To Earth (2.785 AU)
Jun 25 - Asteroid 17023 Abbott Closest Approach To Earth (1.673 AU)
* Jun 25 - Kuiper Belt Object 2002 MS4 At Opposition (46.139 AU)
Jun 26 - Dwarf Planet 134340 Pluto Closest Approach To Earth (31.062 AU)
Jun 26 - Asteroid 2531 Cambridge Occults HIP 89440 (6.0 Magnitude Star)
Jun 27 - Asteroid 9949 Brontosaurus Closest Approach To Earth (1.302 AU)
Jun 27 - 10th Anniversary (2001), Discovery of SAU 060 Meteorite (Mars Meteorite)
Jun 27 - 15th Anniversary (1996), Galileo, Ganymede 1 Flyby
* Jun 28 - STS-135 Launch?, Space Shuttle, International Space Station
Jun 28 - Pluto At Opposition
* Jun 28 - Asteroid 43 Ariadne At Opposition (9.0 Magnitude)
Jun 28 - Asteroid 19367 Pink Floyd Closest Approach To Earth (1.611 AU)
Jun 28 - Asteroid 1604 Tombaugh Closest Approach To Earth (1.906 AU)
Jun 28 - 100th Anniversary (1911), Nakhla Meteorite Fall in Egypt (Mars Meteorite, Hit Dog)
Jun 29 - Asteroid 10799 Yucatan Closest Approach To Earth (1.376 AU)
Jun 29 - Asteroid 5036 Tuttle Closest Approach To Earth (2.320 AU)
Jun 29 - Asteroid 2929 Harris Closest Approach To Earth (2.183 AU)
Jun 30 - Moon Occults Venus
Jun 30 - Asteroid 241 Germania Closest Approach To Earth (1.932 AU)
Jun 30 - 40th Anniversary (1971), Death of 3 Cosmonauts in Soyuz 11
July 2011
Jul ?? - Dawn, Vesta Arrival
Jul ?? - Rosetta, Enters Hibernation
* Jul ?? - Equars VLS-1 Launch (Brazil)
Jul 01 - Partial Solar Eclipse, Visible in Indian Ocean
Jul 01 - Asteroid 4 Vesta Occults TYC 6365-01035-1 (10.4 Magnitude Star)
Jul 01 - Asteroid 2002 EM7 Near-Earth Flyby (0.028 AU)
Jul 01 - Asteroid 3267 Glo Closest Approach To Earth (1.829 AU)
Jul 01 - Smithsonian National Air & Space Museum's 35th Birthday (1976)
Jul 02 - Asteroid 2001 QP181 Near-Earth Flyby (0.090 AU)
Jul 02 - Comet 176P/LINEAR Perihelion (2.575 AU)
Jul 02 - Asteroid 3353 Jarvis Closest Approach To Earth (0.764 AU)
Jul 03 - Asteroid 5841 Stone Closest Approach To Earth (1.085 AU)
Jul 04 - Earth At Aphelion (1.017 AU From Sun)
Jul 04 - Comet 123P/West-Hartley Perihelion (2.129 AU)
* Jul 04 - Asteroid 21 Lutetia At Opposition (9.4 Magnitude)
Jul 05 - Asteroid 8575 Hawaii Closest Approach To Earth (2.391 AU)
Jul 05 - Asteroid 51827 Laurelclark Closest Approach To Earth (2.479 AU)
Jul 06 - Asteroid 128523 Johnmuir Closest Approach To Earth (1.344 AU)
Jul 06 - Asteroid 11246 Orvillewright Closest Approach To Earth (1.400 AU)
Jul 06 - Asteroid 11247 Wilburwright Closest Approach To Earth (1.937 AU)
Jul 06 - Asteroid 1125 China Closest Approach To Earth (2.788 AU)
Jul 07 - Asteroid 17062 Bardot Closest Approach To Earth (2.030 AU)
Jul 08 - Asteroid 16857 Goodall Closest Approach To Earth (1.789 AU)
Jul 09 - Cassini, Distant Titan Flyby
Jul 09 - Asteroid 951 Gaspra Closest Approach To Earth (1.213 AU)
Jul 09 - Asteroid 17024 Costello Closest Approach To Earth (1.259 AU)
Jul 09 - Asteroid 7818 Muirhead Closest Approach To Earth (1.888 AU)
Jul 10 - Cassini, Distant Flyby of Helene, Janus, Pan & Prometheus
Jul 10 - Comet C/2010 L3 (Catalina) Perihelion (2.336 AU)
Jul 10 - Asteroid 3 Juno Occults UCAC2 33935848 (11.5 Magnitude Star)
Jul 10 - Asteroid 951 Gaspra Occults TYC 6274-00940-1 (10.3 Magnitude Star)
Jul 10 - Asteroid 4573 Piestany Occults HIP 100713 (6.8 Magnitude Star)
Jul 10 - Asteroid 6676 Monet Closest Approach To Earth (2.525 AU)
Jul 11 - Asteroid 2008 LV16 Near-Earth Flyby (0.080 AU)
Jul 13 - Asteroid 21 Lutetia Occults TYC 6863-00833-1 (12.1 Magnitude Star)
Jul 13 - Asteroid 1991 Darwin Closest Approach To Earth (0.811 AU)
Jul 13 - Asteroid 24101 Cassini Closest Approach To Earth (2.278 AU)
Jul 14 - Asteroid 9941 Iguanodo Closest Approach To Earth (1.560 AU)
Jul 16 - Asteroid 4370 Dickens Closest Approach To Earth (1.062 AU)
Jul 16 - Asteroid 2000 Herschel Closest Approach To Earth (1.763 AU)
Jul 16 - Asteroid 5035 Swift Closest Approach To Earth (2.027 AU)
Jul 16 - Giuseppe Piazzi's 265th Birthday (1746)
Jul 17 - Asteroid 656 Beagle Closest Approach To Earth (2.434 AU)
Jul 18 - Asteroid 4255 Spacewatch Closest Approach To Earth (2.435 AU)
Jul 18 - 45th Anniversary (1966), Gemini 10 Launch (John Young & Michael Collins)
Jul 18 - John Glenn's 90th Birthday (1921)
Jul 19 - Comet P/2010 J5 (McNaught) Closest Approach To Earth (3.030 AU)
* Jul 19 - Comet C/2006 S3 (LONEOS) Closest Approach To Earth (4.554 AU)
Jul 19 - Asteroid 90 Antiope Occults HIP 112420 (6.7 Magnitude Star)
Jul 19 - Edward Pickering's 165th Birthday (1846)
Jul 20 - Mercury At Its Greatest Eastern Elongation (27 Degrees)
Jul 20 - Asteroid 51825 Davidbrown Closest Approach To Earth (2.076 AU)
Jul 20 - 35th Anniversary (1976), Viking 1, Mars Landing
Jul 21 - Asteroid 2187 La Silla Closest Approach To Earth (1.350 AU)
Jul 21 - 50th Anniversary (1961), Mercury 4 Launch (Gus Grissom, Liberty Bell 7)
Jul 22 - Asteroid 2007 RQ17 Near-Earth Flyby (0.034 AU)
Jul 22 - Asteroid 2008 TC Near-Earth Flyby (0.061 AU)
Jul 22 - Asteroid 5450 Sokrates Closest Approach To Earth (2.133 AU)
Jul 23 - Asteroid 2007 DD Near-Earth Flyby (0.024 AU)
Jul 24 - Asteroid 2985 Shakespeare Closest Approach To Earth (1.713 AU)
Jul 24 - Asteroid 6227 Alanrubin Closet Approach To Earth (1.731 AU)
* Jul 25 - Asteroid 532 Herculina At Opposition (9.8 Magnitude)
Jul 25 - Asteroid 4149 Harrison Closest Approach To Earth (1.531 AU)
Jul 25 - Asteroid 1288 Santa Closest Approach To Earth (1.759 AU)
Jul 26 - Asteroid 9880 Stegosaurus Closest Approach To Earth (1.440 AU)
Jul 26 - 40th Anniversary (1971), Apollo 15 Launch (4th Manned Moon Landing)
Jul 27 - Moon Occults Mars
* Jul 27 - Asteroid 9 Metis At Opposition (9.6 Magnitude)
Jul 27 - George Airy's 210th Birthday (1801)
Jul 28 - Asteroid 380 Fiducia Occults HIP 20455 (3.8 Magnitude Star)
Jul 28 - Asteroid 1865 Cerberus Closest Approach To Earth (0.504 AU)
Jul 28 - Asteroid 508 Princetonia Closest Approach To Earth (2.176 AU)
Jul 29 - South Delta-Aquarids Meteor Shower Peak
Jul 29 - Asteroid 3000 Leonardo Closest Approach To Earth (1.158 AU)
Jul 29 - Asteroid 43844 Rowling Closest Approach To Earth (1.457 AU)
Jul 30 - Asteroid 2004 Lexell Closest Approach To Earth (1.230 AU)
Jul 30 - 10th Anniversary (2001), MAP, Moon Flyby
August 2011
* Aug ?? - Cassiope 1 Falcon 9 Launch
* Aug 01 - Cassini, Distant Flyby of Helene, Titan, Telesto, Methone & Rhea
* Aug 01 - Alpha Capricornids Meteor Shower Peak
* Aug 01 - Comet 48P/Johnson Closest Approach To Earth (1.325 AU)
* Aug 01 - Asteroid 2 Pallas At Opposition (9.5 Magnitude)
* Aug 01 - Asteroid 1103 Sequoia Closest Approach To Earth (0.815 AU)
* Aug 01 - Asteroid 2063 Bacchus Closest Approach To Earth (0.902 AU)
* Aug 01 - Asteroid 4 Vesta Closest Approach To Earth (1.227 AU)
* Aug 01 - Asteroid 17059 Elvis Closest Approach To Earth (1.342 AU)
* Aug 01 - Asteroid 310 Margarita Closest Approach To Earth (1.874 AU)
* Aug 02 - Asteroid 4433 Goldstone Closest Approach To Earth (1.118 AU)
* Aug 03 - Asteroid 10051 Albee Closest Approach To Earth (1.315 AU)
* Aug 04 - Asteroid 88292 Bora-Bora Closest Approach To Earth (0.673 AU)
* Aug 04 - Asteroid 2991 Bilbo Closest Approach To Earth (0.838 AU)
* Aug 05 - Juno Atlas 5 Launch
* Aug 05 - Asteroid 4 Vesta At Opposition (5.6 Magnitude)
* Aug 05 - Asteroid 6758 Jesseowens Closest Approach To Earth (1.570 AU)
* Aug 05 - Asteroid 3808 Tempel Closest Approach To Earth (1.583 AU)
* Aug 06 - Southern Iota Aquarids Meteor Shower Peak
* Aug 06 - Asteroid 4769 Castalia Closest Approach To Earth (0.463 AU)
* Aug 06 - Asteroid 2597 Arthur Closest Approach To Earth (1.888 AU)
* Aug 06 - 10th Anniversary (2001), Galileo, Io 31 Flyby
* Aug 06 - 50th Anniversary (1961), Vostok 2 Launch (Gherman Titov - 2nd Man in Space)
* Aug 06 - 830th Anniversary (1181), Discovery of Supernova Cassiopeia
* Aug 07 - Asteroid 1566 Icarus Closest Approach To Earth (0.909 AU)
* Aug 07 - Asteroid 9770 Discovery Closest Approach To Earth (1.370 AU)
* Aug 07 - 15th Anniversary (1996), Announcement of Possible Microfossils Found in ALH84001 Martian Meteorite
* Aug 07 - 35th Anniversary (1976), Viking 2, Mars Orbit Insertion
* Aug 08 - Asteroid 1718 Namibia Closest Approach To Earth (0.755 AU)
* Aug 08 - 10th Anniversary (2001), Genesis Launch (Solar Particle Sample Return)
* Aug 09 - Asteroid 5891 Gehrig Closest Approach To Earth (1.432 AU)
* Aug 09 - Asteroid 4628 Laplace Closest Approach To Earth (1.919 AU)
* Aug 09 - 35th Anniversary (1976), Luna 24 Launch (USSR Moon Sample Return)
* Aug 10 - 45th Anniversary (1966), Lunar Orbiter 1 Launch
* Aug 12 - Perseids Meteor Shower Peak
* Aug 12 - Asteroid 6030 Zolensky Closest Approach To Earth (2.045 AU)
* Aug 12 - Asteroid 3259 Brownlee Closest Approach To Earth (2.401 AU)
* Aug 13 - Asteroid 5000 IAU Closest Approach To Earth (1.171 AU)
* Aug 13 - Asteroid 69230 Hermes Closest Approach To Earth (1.629 AU)
* Aug 13 - Asteroid 10204 Turing Closest Approach To Earth (1.889 AU)
* Aug 13 - 415th Anniversary (1596), Discovery of Mira, Omicron Ceti by David Fabricius
* Aug 14 - Asteroid 2022 West Closest Approach To Earth (1.620 AU)
* Aug 15 - Asteroid 349 Dembowska At Opposition (9.7 Magnitude)
* Aug 15 - Asteroid 1762 Russell Closest Approach TO Earth (1.793 AU)
* Aug 16 - Kuiper Belt Object 2004 PG115 Closest Approach To Earth (36.044 AU)
* Aug 16 - 50th Anniversary (1961), Explorer 12 Launch
* AUg 17 - 45th Anniversary (1966), Pioneer 7 Launch
* Aug 18 - Asteroid 783 Nora Occults HIP 73587 (6.6 Magnitude Star)
* Aug 18 - Asteroid 1154 Astronomia Closest Approach To Earth (2.208 AU)
* Aug 19 - Asteroid 2688 Halley Closest Approach To Earth (1.836 AU)
* Aug 19 - Orville Wright's 140th Birthday (1871)
* Aug 19 - John Flamsteed's 365th Birthday (1646)
* Aug 21 - Comet 97P/Metcalf-Brewington Perihelion (2.597 AU)
* Aug 21 - Asteroid 6336 Dodo Closest Approach To Earth (1.341 AU)
* Aug 21 - Asteroid 1225 Ariane Closest Approach To Earth (1.359 AU)
* Aug 22 - Cassini, Orbital Trim Maneuver #288 (OTM-288)
* Aug 22 - Neptune At Opposition
* Aug 22 - Asteroid 17744 Jodiefoster Closest Approach To Earth (0.657 AU)
* Aug 22 - Asteroid 3355 Onizuka Closest Approach To Earth (1.225 AU)
* Aug 22 - Asteroid 671 Carnegia Closest Approach To Earth (2.202 AU)
* Aug 23 - Cassini, Distant Flyby of Epimetheus & Atlas
* Aug 23 - Comet 228P/LINEAR Perihelion (3.430 AU)
* Aug 24 - Cassini, Distant Flyby of Titan
* Aug 24 - Asteroid 1578 Kirkwood Closest Approach To Earth (3.059 AU)
* Aug 24 - 5th Anniversary (2006), Pluto Demoted As A Planet
* Aug 24 - 45th Anniversary (1966), Luna 11 Launch (USSR Moon Orbiter)
* Aug 25 - Cassini, Distant Flyby of Hyperion
* Aug 25 - Northern Iota Aquarids Meteor Shower Peak
* Aug 25 - Asteroid 2005 QQ87 Near-Earth Flyby (0.084 AU)
* Aug 25 - Asteroid 2007 UT3 Near-Earth Flyby (0.090 AU)
* Aug 25 - Kuiper Belt Object 2007 OR10 At Opposition (85.390 AU)
* Aug 26 - Asteroid 793 Arizona Closest Approach To Earth (1.506 AU)
* Aug 26 - 30th Anniversary (1981), Voyager 2, Saturn Flyby
* Aug 27 - Asteroid 1340 Yvette Occults HIP 107095 (5.2 Magnitude Star)
* Aug 27 - Asteroid 5731 Zeus Closest Approach To Earth (2.624 AU)
* Aug 28 - Asteroid 2002 JR100 Near-Earth Flyby (0.051 AU)
* Aug 28 - Asteroid 2010 JW34 Near-Earth Flyby (0.078 AU)
* Aug 28 - Asteroid 4238 Audrey Closest Approach To Earth (1.552 AU)
* Aug 29 - Asteroid 30440 Larry Closest Approach To Earth (1.954 AU)
* Aug 30 - 20th Anniversary (1991), Yohkoh Launch
* Aug 31 - Asteroid 2271 Kiso Occults HIP 69427 (4.2 Magnitude Star)