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(312573) 2009HF57  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 8768.13 days
Unobserved 248 days

 

Astrometry summary
Optical
RMS of residuals 0.51"
First observation 1996-01-19.187
Last observation 2020-01-21.314
Number (Discarded) 157 (0)

 

Get the observational details
ASCII file

 

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