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(312587) 2009HW89  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7203.04 days
Unobserved 190 days

 

Astrometry summary
Optical
RMS of residuals 0.61
First observation 2004-01-28.371
Last observation 2023-10-18.413
Number (Discarded) 238 (2)

 

Get the observational details
ASCII file

 

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