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(13864) 1999XU166  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 26774.3 days
Unobserved 137 days

 

Astrometry summary
Optical
RMS of residuals 0.43
First observation 1950-10-13.955
Last observation 2024-02-02.262
Number (Discarded) 2406 (10)

 

Get the observational details
ASCII file

 

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