AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009UP18 ∴ Observational info
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(509983) 2009UP18  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7284.02 days
Unobserved 361 days

 

Astrometry summary
Optical
RMS of residuals 0.63
First observation 2003-05-30.173
Last observation 2023-05-09.195
Number (Discarded) 206 (3)

 

Get the observational details
ASCII file

 

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