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(509935) 2009QL8  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 3574 days
Unobserved 1795 days

 

Astrometry summary
Optical
RMS of residuals 0.448407
First observation 2009-08-20.39152
Last observation 2019-06-03.09803
Number (Discarded) 272 (2)
Radar
First observation 2017-12-29
Last observation 2017-12-29
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.