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AstDyS ∴ Objects ∴ 1999UN21 ∴ Observational info
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(264329) 1999UN21  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8178.05 days
Unobserved 833 days

 

Astrometry summary
Optical
RMS of residuals 0.48
First observation 1999-10-14.376
Last observation 2022-03-05.426
Number (Discarded) 101 (0)

 

Get the observational details
ASCII file

 

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