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AstDyS ∴ Objects ∴ 2001DU21 ∴ Observational info
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(72464) 2001DU21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9144.87 days
Unobserved 293 days

 

Astrometry summary
Optical
RMS of residuals 0.45
First observation 1998-06-24.340
Last observation 2023-07-08.212
Number (Discarded) 1922 (4)

 

Get the observational details
ASCII file

 

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