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(1909) Alekhin  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 33759.7 days
Unobserved 29 days

 

Astrometry summary
Optical
RMS of residuals 0.49"
First observation 1926-04-14.948
Last observation 2018-09-18.640
Number (Discarded) 2476 (29)

 

Get the observational details
ASCII file

 

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





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