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(164921) 1999XW57  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8744.86 days
Unobserved 197 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 1999-11-04.402
Last observation 2023-10-14.259
Number (Discarded) 583 (1)

 

Get the observational details
ASCII file

 

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