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(12538) 1998OH  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 10842 days
Unobserved 3 days

 

Astrometry summary
Optical
RMS of residuals 0.456458"
First observation 1991-10-10.31944
Last observation 2021-06-18.182726
Number (Discarded) 2473 (30)
Radar
First observation 2019-05-14
Last observation 2019-05-14
Delay (Discarded) 0 (0)
Doppler (Discarded) 1 (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.