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AstDyS ∴ Objects ∴ 1997AL21 ∴ Observational info
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(100513) 1997AL21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9929.81 days
Unobserved 41 days

 

Astrometry summary
Optical
RMS of residuals 0.64
First observation 1997-01-10.664
Last observation 2024-03-19.473
Number (Discarded) 1756 (454)

 

Get the observational details
ASCII file

 

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