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2020WJ4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 3104 days
Unobserved 1131 days

 

Astrometry summary
Optical
RMS of residuals 0.520564
First observation 2012-10-10.353583
Last observation 2021-04-10.290156
Number (Discarded) 145 (0)

 

Get the observational details
Optical observations (ASCII file)

 

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