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AstDyS ∴ Objects ∴ 2001YP89 ∴ Observational info
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(203451) 2001YP89  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7784.73 days
Unobserved 380 days

 

Astrometry summary
Optical
RMS of residuals 0.55
First observation 2001-12-18.431
Last observation 2023-04-12.163
Number (Discarded) 426 (5)

 

Get the observational details
ASCII file

 

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