AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009DD15 ∴ Observational info
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(312515) 2009DD15  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8798.99 days
Unobserved 314 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1999-05-10.234
Last observation 2023-06-12.219
Number (Discarded) 320 (0)

 

Get the observational details
ASCII file

 

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