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(369434) 2009XB21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8780.91 days
Unobserved 108 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 1999-12-27.221
Last observation 2024-01-11.136
Number (Discarded) 307 (1)

 

Get the observational details
ASCII file

 

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