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AstDyS ∴ Objects ∴ 2001YU121 ∴ Observational info
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(141312) 2001YU121  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9459.49 days
Unobserved 47 days

 

Astrometry summary
Optical
RMS of residuals 0.48
First observation 1998-04-20.147
Last observation 2024-03-13.633
Number (Discarded) 1087 (2)

 

Get the observational details
ASCII file

 

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