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AstDyS ∴ Objects ∴ 1999FD31 ∴ Observational info
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(91297) 1999FD31  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9029.72 days
Unobserved 143 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 1999-03-19.394
Last observation 2023-12-08.115
Number (Discarded) 961 (2)

 

Get the observational details
ASCII file

 

Note: The ASCII file is in a format suitable for OrbFit input.