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(49856) 1999XC99  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 15795 days
Unobserved 147 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1980-09-04.191
Last observation 2023-12-03.221
Number (Discarded) 2120 (7)

 

Get the observational details
ASCII file

 

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