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(1909) Alekhin  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 33793.6 days
Unobserved 52 days

 

Astrometry summary
Optical
RMS of residuals 0.48"
First observation 1926-04-14.948
Last observation 2018-10-22.533
Number (Discarded) 2555 (29)

 

Get the observational details
ASCII file

 

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





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