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(21088) Chelyabinsk  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 11393 days
Unobserved 11 days

 

Astrometry summary
Optical
RMS of residuals 0.355317"
First observation 1990-01-30.60519
Last observation 2021-04-10.192400
Number (Discarded) 3489 (5)

 

Get the observational details
Optical observations (ASCII file)

 

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