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(505019) 2011QH21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 3423 days
Unobserved 213 days

 

Astrometry summary
Optical
RMS of residuals 0.458404"
First observation 2011-08-23.39610
Last observation 2021-01-05.25891
Number (Discarded) 86 (0)

 

Get the observational details
Optical observations (ASCII file)

 

Note. The ASCII file is in a format suitable for OrbFit input.