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(2340) Hathor  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 16480 days
Unobserved 1036 days

 

Astrometry summary
Optical
RMS of residuals 0.723083
First observation 1976-10-22.27778
Last observation 2021-12-05.248602
Number (Discarded) 1385 (36)
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.