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(137170) 1999HF1  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 7724 days
Unobserved 313 days

 

Astrometry summary
Optical
RMS of residuals 0.354071"
First observation 1999-04-20.13801
Last observation 2020-06-12.46284
Number (Discarded) 3799 (10)

 

Get the observational details
Optical observations (ASCII file)

 

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