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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1981UP25 ∴ Observational info
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(15689) 1981UP25  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 15519.3 days
Unobserved 34 days

 

Astrometry summary
Optical
RMS of residuals 0.57
First observation 1981-09-24.000
Last observation 2024-03-21.346
Number (Discarded) 4205 (346)

 

Get the observational details
ASCII file

 

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