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AstDyS ∴ Objects ∴ 2001US89 ∴ Observational info
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(83870) 2001US89  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8579.03 days
Unobserved 94 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 2000-08-01.250
Last observation 2024-01-27.284
Number (Discarded) 1136 (3)

 

Get the observational details
ASCII file

 

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