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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009BY156 ∴ Observational info
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(353011) 2009BY156  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7245.09 days
Unobserved 280 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 2003-10-20.262
Last observation 2023-08-21.353
Number (Discarded) 259 (1)

 

Get the observational details
ASCII file

 

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