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(312517) 2009DD21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7428.26 days
Unobserved 89 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 2003-09-18.397
Last observation 2024-01-19.653
Number (Discarded) 304 (1)

 

Get the observational details
ASCII file

 

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