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AstDyS ∴ Objects ∴ 2001QP89 ∴ Observational info
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(178939) 2001QP89  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8065.93 days
Unobserved 234 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 2001-08-16.354
Last observation 2023-09-16.284
Number (Discarded) 793 (5)

 

Get the observational details
ASCII file

 

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