(Time / deltaT) TJM out of range error

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Aleksandr Serebryanskiy

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Dec 8, 2025, 7:31:57 AM12/8/25
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Dear all,

Does anyone have a clue why I got this error?  ((Time / deltaT) TJM out of range error)
I'm trying to execute the command :  

oorb --task=ranging --obs-in=6703_20042025_N42.mpc --orb-out=ORBITFILEOUT_TEST

with input measurements  
6703_20042025_N42.mpc listed below. 

---  
# version=2017
# observatory
! mpcCode N42
# submitter
! name I.Reva
# observers
! name I.Reva
# measurers
! name A.Serebryanskiy
# telescope
! design reflector
! aperture 1.00
! fRatio 6.6
! detector CCD
# software
! astrometry Tycho 12.3.1
! photometry Tycho 12.3.1
permID |provID     |trkSub  |mode|stn |obsTime                |ra         |dec        |rmsRA|rmsDec|rmsFit|astCat  |mag  |rmsMag|band|photCat |photAp|logSNR|exp |notes|remarks
   6703|1988 CH    | ABC0044| CCD|N42 |2025-04-12T16:26:58Z   |160.54991  |+9.42018   |0.22 |0.18  |0.28  |  Gaia3E|16.9 |0.04  |   G|  Gaia3E| 6.2  |1.86  |1530|    K|
   6703|1988 CH    | ABC0044| CCD|N42 |2025-04-12T16:54:30Z   |160.54911  |+9.42097   |0.22 |0.18  |0.28  |  Gaia3E|17.1 |0.09  |   G|  Gaia3E| 6.2  |1.79  |1530|    K|
   6703|1988 CH    | ABC0044| CCD|N42 |2025-04-12T17:21:13Z   |160.54829  |+9.42175   |0.24 |0.20  |0.28  |  Gaia3E|17.2 |0.09  |   G|  Gaia3E| 6.2  |1.30  |1440|    K|
   6703|1988 CH    | ABC0013| CCD|N42 |2025-04-20T16:04:19Z   |160.48083  |+9.65628   |0.10 |0.15  |0.17  |  Gaia3E|17.2 |0.05  |   G|  Gaia3E| 3.8  |1.80  |4500|    K|
   6703|1988 CH    | ABC0013| CCD|N42 |2025-04-20T17:25:38Z   |160.48146  |+9.65722   |0.10 |0.15  |0.17  |  Gaia3E|17.3 |0.03  |   G|  Gaia3E| 3.8  |1.90  |4500|    K|
   6703|1988 CH    | ABC0013| CCD|N42 |2025-04-20T18:46:56Z   |160.48219  |+9.65816   |0.10 |0.15  |0.17  |  Gaia3E|17.4 |0.03  |   G|  Gaia3E| 3.8  |1.81  |4500|    K|

Mikael Granvik

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Dec 8, 2025, 7:55:15 AM12/8/25
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Dear Aleksandr,

the *.mpc format accepted by OpenOrb is the old 80-column format.

https://minorplanetcenter.org/iau/info/OpticalObs.html

The error message is misleading, and need to be fixed.

Best regards,
Mikael
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Aleksandr Serebryanskiy

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Dec 8, 2025, 8:55:13 AM12/8/25
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Dear Mikael, 

Thank you very much for prompt reply and clarification! 

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