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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2007UM9 ∴ Observational info
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(355396) 2007UM9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 6728.06 days
Unobserved 710 days

 

Astrometry summary
Optical
RMS of residuals 0.54
First observation 2003-12-19.269
Last observation 2022-05-21.325
Number (Discarded) 348 (0)

 

Get the observational details
ASCII file

 

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