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(407657) 2011SM139  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9038.94 days
Unobserved 317 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 1998-09-14.400
Last observation 2023-06-14.336
Number (Discarded) 169 (1)

 

Get the observational details
ASCII file

 

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