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(1909) Alekhin  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 35769 days
Unobserved 40 days

 

Astrometry summary
Optical
RMS of residuals 0.64
First observation 1926-04-14.948
Last observation 2024-03-19.960
Number (Discarded) 6509 (68)

 

Get the observational details
ASCII file

 

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