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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997JA11 ∴ Observational info
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(23687) 1997JA11  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 12057.1 days
Unobserved days

 

Astrometry summary
Optical
RMS of residuals 0.44
First observation 1991-05-05.287
Last observation 2024-05-08.346
Number (Discarded) 2593 (14)

 

Get the observational details
ASCII file

 

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