AstDyS-2
Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2004XX40 ∴ Observational info
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(289220) 2004XX40  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8162.11 days
Unobserved 335 days

 

Astrometry summary
Optical
RMS of residuals 0.45
First observation 2001-01-19.284
Last observation 2023-05-26.394
Number (Discarded) 540 (3)

 

Get the observational details
ASCII file

 

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