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AstDyS ∴ Objects ∴ 2009WY157 ∴ Observational info
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(389385) 2009WY157  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7465.99 days
Unobserved 235 days

 

Astrometry summary
Optical
RMS of residuals 0.59
First observation 2003-03-26.288
Last observation 2023-09-03.276
Number (Discarded) 260 (3)

 

Get the observational details
ASCII file

 

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