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(256991) 2008ES139  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11487 days
Unobserved 397 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 1991-10-13.313
Last observation 2023-03-26.275
Number (Discarded) 350 (3)

 

Get the observational details
ASCII file

 

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