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(496817) 1989VB  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 10280 days
Unobserved 890 days

 

Astrometry summary
Optical
RMS of residuals 0.353339"
First observation 1989-11-01.41050
Last observation 2017-12-24.54991
Number (Discarded) 287 (1)
Radar
First observation 2017-10-03
Last observation 2017-10-10
Delay (Discarded) 4 (0)
Doppler (Discarded) 2 (0)
Total (Discarded) 6 (0)

 

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

 

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