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(2340) Hathor  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 15434 days
Unobserved 364 days

 

Astrometry summary
Optical
RMS of residuals 0.871155"
First observation 1976-10-22.27778
Last observation 2019-01-24.277588
Number (Discarded) 471 (37)
Radar
First observation 2014-10-20
Last observation 2014-10-22
Delay (Discarded) 4 (0)
Doppler (Discarded) 3 (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.