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(6491) 1991OA  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11897.8 days
Unobserved 194 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 1991-03-18.585
Last observation 2023-10-14.373
Number (Discarded) 204 (1)

 

Get the observational details
ASCII file

 

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