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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2007US99 ∴ Observational info
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(406483) 2007US99  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7120.93 days
Unobserved 404 days

 

Astrometry summary
Optical
RMS of residuals 0.54
First observation 2003-09-21.341
Last observation 2023-03-21.270
Number (Discarded) 280 (1)

 

Get the observational details
ASCII file

 

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