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(3200) Phaethon  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 12491 days
Unobserved 65 days

 

Astrometry summary
Optical
RMS of residuals 0.659842"
First observation 1983-10-11.06869
Last observation 2017-12-22.00019
Number (Discarded) 4804 (158)
Radar
First observation 2007-12-08
Last observation 2007-12-08
Delay (Discarded) 1 (0)
Doppler (Discarded) 0 (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.





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