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(2102) Tantalus  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 16671 days
Unobserved 37 days

 

Astrometry summary
Optical
RMS of residuals 0.424976"
First observation 1975-12-27.29722
Last observation 2021-08-18.155870
Number (Discarded) 1386 (5)
Radar
First observation 2017-01-04
Last observation 2017-01-04
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.