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(296278) 2009DD57  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11427.9 days
Unobserved 315 days

 

Astrometry summary
Optical
RMS of residuals 0.55
First observation 1992-03-05.369
Last observation 2023-06-19.302
Number (Discarded) 272 (2)

 

Get the observational details
ASCII file

 

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