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(173689) 2001PK9  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 6941 days
Unobserved 3 days

 

Astrometry summary
Optical
RMS of residuals 0.573902"
First observation 2001-08-10.47951
Last observation 2020-08-11.47970
Number (Discarded) 280 (3)

 

Get the observational details
Optical observations (ASCII file)

 

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