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AstDyS ∴ Objects ∴ 2001QB191 ∴ Observational info
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(217870) 2001QB191  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7937.92 days
Unobserved 378 days

 

Astrometry summary
Optical
RMS of residuals 0.48
First observation 2001-07-22.292
Last observation 2023-04-16.210
Number (Discarded) 824 (4)

 

Get the observational details
ASCII file

 

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