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(305984) 2009HN104  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9155.98 days
Unobserved 217 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1998-09-18.350
Last observation 2023-10-13.335
Number (Discarded) 404 (2)

 

Get the observational details
ASCII file

 

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