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(129106) 2004XD21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8766.87 days
Unobserved 140 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 1999-12-07.242
Last observation 2023-12-08.113
Number (Discarded) 619 (0)

 

Get the observational details
ASCII file

 

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