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(433138) 2012TN221  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9007.93 days
Unobserved 165 days

 

Astrometry summary
Optical
RMS of residuals 0.53
First observation 1999-03-21.314
Last observation 2023-11-18.247
Number (Discarded) 147 (0)

 

Get the observational details
ASCII file

 

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