AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2004UP4 ∴ Observational info
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(220835) 2004UP4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8554.88 days
Unobserved 343 days

 

Astrometry summary
Optical
RMS of residuals 0.57
First observation 1999-12-13.425
Last observation 2023-05-16.303
Number (Discarded) 592 (3)

 

Get the observational details
ASCII file

 

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