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(139946) 2001RR138  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9513.85 days
Unobserved 192 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 1997-09-28.410
Last observation 2023-10-16.260
Number (Discarded) 764 (5)

 

Get the observational details
ASCII file

 

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