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(488677) 2003UM257  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 6582.91 days
Unobserved 908 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 2003-10-23.193
Last observation 2021-10-31.103
Number (Discarded) 176 (0)

 

Get the observational details
ASCII file

 

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