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AstDyS ∴ Objects ∴ 2003CY21 ∴ Observational info
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(331771) 2003CY21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9128.36 days
Unobserved 43 days

 

Astrometry summary
Optical
RMS of residuals 0.52
First observation 1999-03-21.237
Last observation 2024-03-17.593
Number (Discarded) 632 (3)

 

Get the observational details
ASCII file

 

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