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(379162) 2009QY21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7498.18 days
Unobserved 1349 days

 

Astrometry summary
Optical
RMS of residuals 0.60
First observation 2000-02-05.141
Last observation 2020-08-16.320
Number (Discarded) 139 (2)

 

Get the observational details
ASCII file

 

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