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(322541) 2011YD31  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9479.9 days
Unobserved 175 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 1997-11-21.409
Last observation 2023-11-05.308
Number (Discarded) 331 (0)

 

Get the observational details
ASCII file

 

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