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(31173) 1997XF1  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 26913.3 days
Unobserved 266 days

 

Astrometry summary
Optical
RMS of residuals 0.42
First observation 1949-11-30.445
Last observation 2023-08-07.766
Number (Discarded) 1978 (6)

 

Get the observational details
ASCII file

 

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