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(53319) 1990HD1  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 10146 days
Unobserved 620 days

 

Astrometry summary
Optical
RMS of residuals 0.492113"
First observation 1990-04-27.33941
Last observation 2018-02-05.18016
Number (Discarded) 1233 (6)
Radar
First observation 1999-07-18
Last observation 2008-06-02
Delay (Discarded) 8 (0)
Doppler (Discarded) 10 (0)
Total (Discarded) 18 (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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