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(90139) 2002YA1  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9443.97 days
Unobserved 170 days

 

Astrometry summary
Optical
RMS of residuals 0.54
First observation 1998-01-02.174
Last observation 2023-11-11.141
Number (Discarded) 1055 (2)

 

Get the observational details
ASCII file

 

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