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2021EF4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 3991 days
Unobserved 518 days

 

Astrometry summary
Optical
RMS of residuals 0.792429
First observation 2012-02-20.440957
Last observation 2023-01-24.665890
Number (Discarded) 41 (0)

 

Get the observational details
Optical observations (ASCII file)

 

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