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(257308) 2009HM77  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8973.94 days
Unobserved 38 days

 

Astrometry summary
Optical
RMS of residuals 0.46
First observation 1999-10-14.366
Last observation 2024-05-09.304
Number (Discarded) 303 (2)

 

Get the observational details
ASCII file

 

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