AstDyS-2
Asteroids - Dynamic Site
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(391206) 2006HD40  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 6367.08 days
Unobserved 216 days

 

Astrometry summary
Optical
RMS of residuals 0.61
First observation 2006-04-21.331
Last observation 2023-09-26.410
Number (Discarded) 189 (2)

 

Get the observational details
ASCII file

 

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