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2021ER3  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9 days
Unobserved 1199 days

 

Astrometry summary
Optical
RMS of residuals 0.418033
First observation 2021-03-10.93395
Last observation 2021-03-20.367555
Number (Discarded) 122 (1)

 

Get the observational details
Optical observations (ASCII file)

 

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