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(789) Lena  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 37935.4 days
Unobserved 221 days

 

Astrometry summary
Optical
RMS of residuals 0.49"
First observation 1914-06-24.898
Last observation 2018-05-05.290
Number (Discarded) 1960 (27)

 

Get the observational details
ASCII file

 

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





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