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(369435) 2009YS12  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 10763.1 days
Unobserved 294 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1994-01-19.444
Last observation 2023-07-09.515
Number (Discarded) 268 (2)

 

Get the observational details
ASCII file

 

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