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(257720) 1999XF217  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8551.06 days
Unobserved 349 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 1999-12-13.364
Last observation 2023-05-12.419
Number (Discarded) 281 (0)

 

Get the observational details
ASCII file

 

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