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(257719) 1999XO154  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8575.89 days
Unobserved 330 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1999-12-08.321
Last observation 2023-06-01.215
Number (Discarded) 713 (2)

 

Get the observational details
ASCII file

 

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