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(412977) 1990UO  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 9100 days
Unobserved 2137 days

 

Astrometry summary
Optical
RMS of residuals 0.642568"
First observation 1990-10-22.33575
Last observation 2015-09-21.249679
Number (Discarded) 117 (1)

 

Get the observational details
Optical observations (ASCII file)

 

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