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(137797) 1999XS255  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8603.73 days
Unobserved 309 days

 

Astrometry summary
Optical
RMS of residuals 0.46
First observation 1999-12-04.495
Last observation 2023-06-25.228
Number (Discarded) 761 (4)

 

Get the observational details
ASCII file

 

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