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(789) Lena  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 40194.5 days
Unobserved 70 days

 

Astrometry summary
Optical
RMS of residuals 0.61
First observation 1914-06-24.898
Last observation 2024-07-11.368
Number (Discarded) 6459 (71)

 

Get the observational details
ASCII file

 

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