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(389276) 2009HC23  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9384.87 days
Unobserved 138 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 1998-04-03.410
Last observation 2023-12-13.279
Number (Discarded) 183 (1)

 

Get the observational details
ASCII file

 

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