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(21877) 1999UL12  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 10570.2 days
Unobserved 449 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1994-03-05.034
Last observation 2023-02-11.245
Number (Discarded) 975 (13)

 

Get the observational details
ASCII file

 

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