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AstDyS ∴ Objects ∴ 2011YW21 ∴ Observational info
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(507367) 2011YW21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 4589.64 days
Unobserved 469 days

 

Astrometry summary
Optical
RMS of residuals 0.54
First observation 2010-06-19.563
Last observation 2023-01-12.208
Number (Discarded) 142 (2)

 

Get the observational details
ASCII file

 

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