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(85989) 1999JD6  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 10969 days
Unobserved 2 days

 

Astrometry summary
Optical
RMS of residuals 0.401687"
First observation 1990-06-22.26389
Last observation 2020-07-03.561090
Number (Discarded) 2915 (22)
Radar
First observation 2010-07-25
Last observation 2015-08-04
Delay (Discarded) 11 (0)
Doppler (Discarded) 4 (0)
Total (Discarded) 15 (0)

 

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

 

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