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(439877) 1999XM141  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8035 days
Unobserved 860 days

 

Astrometry summary
Optical
RMS of residuals 0.479973
First observation 1999-12-13.42842
Last observation 2021-12-12.411502
Number (Discarded) 173 (0)

 

Get the observational details
Optical observations (ASCII file)

 

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