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AstDyS ∴ Objects ∴ 2001YB9 ∴ Observational info
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(146787) 2001YB9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8864.32 days
Unobserved 699 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1998-02-17.875
Last observation 2022-05-27.191
Number (Discarded) 644 (4)

 

Get the observational details
ASCII file

 

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