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(153958) 2002AM31  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 13432 days
Unobserved 143 days

 

Astrometry summary
Optical
RMS of residuals 0.504614"
First observation 1983-05-07.62443
Last observation 2020-02-14.33739
Number (Discarded) 667 (1)
Radar
First observation 2012-07-12
Last observation 2012-08-07
Delay (Discarded) 7 (0)
Doppler (Discarded) 1 (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.