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(398113) 2009UD90  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11809.8 days
Unobserved 56 days

 

Astrometry summary
Optical
RMS of residuals 0.44
First observation 1991-11-04.475
Last observation 2024-03-05.247
Number (Discarded) 415 (2)

 

Get the observational details
ASCII file

 

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