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(481817) 2008UL90  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 4496 days
Unobserved 168 days

 

Astrometry summary
Optical
RMS of residuals 0.464866"
First observation 2008-10-26.48633
Last observation 2021-02-16.101664
Number (Discarded) 284 (0)
Radar
First observation 2016-12-15
Last observation 2016-12-20
Delay (Discarded) 4 (0)
Doppler (Discarded) 3 (0)
Total (Discarded) 7 (0)

 

Get the observational details
Optical observations (ASCII file)
Radar observations

 

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