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AstDyS ∴ Objects ∴ 2000AA20 ∴ Observational info
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(121772) 2000AA20  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9293.94 days
Unobserved 141 days

 

Astrometry summary
Optical
RMS of residuals 0.46
First observation 1998-06-26.263
Last observation 2023-12-06.199
Number (Discarded) 1613 (8)

 

Get the observational details
ASCII file

 

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