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AstDyS ∴ Objects ∴ 1991PQ9 ∴ Observational info
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(160514) 1991PQ9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 11580.2 days
Unobserved 375 days

 

Astrometry summary
Optical
RMS of residuals 0.46
First observation 1991-08-03.092
Last observation 2023-04-17.273
Number (Discarded) 755 (2)

 

Get the observational details
ASCII file

 

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