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AstDyS ∴ Objects ∴ 2011QX9 ∴ Observational info
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(400997) 2011QX9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 4603.05 days
Unobserved 1059 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 2008-10-31.339
Last observation 2021-06-08.385
Number (Discarded) 77 (0)

 

Get the observational details
ASCII file

 

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