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(228570) 2001XA221  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8159.31 days
Unobserved 37 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 2001-11-16.325
Last observation 2024-03-19.636
Number (Discarded) 354 (3)

 

Get the observational details
ASCII file

 

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