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(4034) Vishnu  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 12771 days
Unobserved 6 days

 

Astrometry summary
Optical
RMS of residuals 0.518400"
First observation 1986-08-02.27500
Last observation 2021-07-20.570320
Number (Discarded) 511 (2)
Radar
First observation 1989-03-26
Last observation 1989-03-26
Delay (Discarded) 0 (0)
Doppler (Discarded) 1 (0)
Total (Discarded) 1 (0)

 

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

 

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