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AstDyS ∴ Objects ∴ 1999UT31 ∴ Observational info
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(251857) 1999UT31  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8558.01 days
Unobserved 401 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1999-10-15.394
Last observation 2023-03-21.401
Number (Discarded) 242 (0)

 

Get the observational details
ASCII file

 

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