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(9856) 1991EE  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 10156 days
Unobserved 461 days

 

Astrometry summary
Optical
RMS of residuals 0.477231"
First observation 1991-03-13.17987
Last observation 2019-01-01.25588
Number (Discarded) 795 (6)
Radar
First observation 1991-09-04
Last observation 1991-09-05
Delay (Discarded) 3 (0)
Doppler (Discarded) 1 (0)
Total (Discarded) 4 (0)

 

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

 

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