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(4420) Alandreev  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 31837.8 days
Unobserved 214 days

 

Astrometry summary
Optical
RMS of residuals 0.39
First observation 1936-08-15.940
Last observation 2023-10-16.776
Number (Discarded) 3541 (17)

 

Get the observational details
ASCII file

 

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