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(243688) 1999XX171  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 26782.9 days
Unobserved 68 days

 

Astrometry summary
Optical
RMS of residuals 0.41
First observation 1950-12-09.228
Last observation 2024-04-07.149
Number (Discarded) 1486 (7)

 

Get the observational details
ASCII file

 

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