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(189392) 2008HD39  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8849.25 days
Unobserved 297 days

 

Astrometry summary
Optical
RMS of residuals 0.57
First observation 1999-04-17.288
Last observation 2023-07-09.541
Number (Discarded) 341 (0)

 

Get the observational details
ASCII file

 

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