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(21645) Chentsaiwei  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11714.7 days
Unobserved 264 days

 

Astrometry summary
Optical
RMS of residuals 0.56
First observation 1991-07-18.441
Last observation 2023-08-14.100
Number (Discarded) 1266 (99)

 

Get the observational details
ASCII file

 

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