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(1620) Geographos  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 25067 days
Unobserved 192 days

 

Astrometry summary
Optical
RMS of residuals 0.418642"
First observation 1951-08-31.45556
Last observation 2020-04-17.149590
Number (Discarded) 4900 (93)
Radar
First observation 1983-02-27
Last observation 1994-09-02
Delay (Discarded) 3 (0)
Doppler (Discarded) 4 (0)
Total (Discarded) 7 (0)

 

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

 

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