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(312518) 2009DU31  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 9160.57 days
Unobserved 400 days

 

Astrometry summary
Optical
RMS of residuals 0.60
First observation 1998-01-23.166
Last observation 2023-02-21.735
Number (Discarded) 287 (3)

 

Get the observational details
ASCII file

 

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