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(164222) 2004RN9  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 6735 days
Unobserved 521 days

 

Astrometry summary
Optical
RMS of residuals 0.540321"
First observation 2001-09-11.25075
Last observation 2020-02-19.416249
Number (Discarded) 264 (1)

 

Get the observational details
Optical observations (ASCII file)

 

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