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AstDyS ∴ Objects ∴ 1999HN ∴ Observational info
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(129769) 1999HN  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 9102.51 days
Unobserved 37 days

 

Astrometry summary
Optical
RMS of residuals 0.54
First observation 1999-04-17.958
Last observation 2024-03-19.472
Number (Discarded) 574 (1)

 

Get the observational details
ASCII file

 

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