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(21088) Chelyabinsk  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 11148 days
Unobserved 2 days

 

Astrometry summary
Optical
RMS of residuals 0.361317"
First observation 1990-01-30.60519
Last observation 2020-08-08.504569
Number (Discarded) 2898 (5)

 

Get the observational details
Optical observations (ASCII file)

 

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