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(257272) 2009HH  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8395.92 days
Unobserved 47 days

 

Astrometry summary
Optical
RMS of residuals 0.56
First observation 2001-03-18.275
Last observation 2024-03-13.193
Number (Discarded) 399 (2)

 

Get the observational details
ASCII file

 

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