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(163023) 2001XU1  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 7313 days
Unobserved 3 days

 

Astrometry summary
Optical
RMS of residuals 0.427693"
First observation 2001-11-23.56543
Last observation 2021-12-01.389108
Number (Discarded) 344 (0)

 

Get the observational details
Optical observations (ASCII file)

 

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