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(354101) 2001YF1  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 6633 days
Unobserved 10 days

 

Astrometry summary
Optical
RMS of residuals 0.619999"
First observation 2001-12-17.37686
Last observation 2020-02-14.11146
Number (Discarded) 135 (0)

 

Get the observational details
Optical observations (ASCII file)

 

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