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(21980) 1999XA5  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9569.74 days
Unobserved 291 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 1997-04-30.204
Last observation 2023-07-12.947
Number (Discarded) 1358 (8)

 

Get the observational details
ASCII file

 

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