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(330839) 2009OS4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 6967.16 days
Unobserved 438 days

 

Astrometry summary
Optical
RMS of residuals 0.55
First observation 2004-03-16.208
Last observation 2023-04-13.369
Number (Discarded) 381 (2)

 

Get the observational details
ASCII file

 

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