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(143381) 2003BC21  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 15316 days
Unobserved 10 days

 

Astrometry summary
Optical
RMS of residuals 0.482253
First observation 1982-04-13.44734
Last observation 2024-03-19.273658
Number (Discarded) 930 (2)

 

Get the observational details
Optical observations (ASCII file)

 

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