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AstDyS ∴ Objects ∴ 2009AU31 ∴ Observational info
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(528765) 2009AU31  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 5401.72 days
Unobserved 202 days

 

Astrometry summary
Optical
RMS of residuals 0.44
First observation 2008-12-21.424
Last observation 2023-10-06.146
Number (Discarded) 153 (0)

 

Get the observational details
ASCII file

 

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