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(23187) 2000PN9  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 11210 days
Unobserved 3 days

 

Astrometry summary
Optical
RMS of residuals 0.398941"
First observation 1990-08-02.39583
Last observation 2021-04-11.70603
Number (Discarded) 1891 (6)
Radar
First observation 2001-03-03
Last observation 2006-03-07
Delay (Discarded) 6 (0)
Doppler (Discarded) 2 (0)
Total (Discarded) 8 (0)

 

Get the observational details
Optical observations (ASCII file)
Radar observations

 

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