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(3924) Birch  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 25059.9 days
Unobserved 165 days

 

Astrometry summary
Optical
RMS of residuals 0.46
First observation 1955-04-20.161
Last observation 2023-11-29.063
Number (Discarded) 4013 (267)

 

Get the observational details
ASCII file

 

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