AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999UP4 ∴ Observational info
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(102531) 1999UP4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9580.9 days
Unobserved 362 days

 

Astrometry summary
Optical
RMS of residuals 0.54
First observation 1997-02-03.256
Last observation 2023-04-29.153
Number (Discarded) 1081 (8)

 

Get the observational details
ASCII file

 

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