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AstDyS ∴ Objects ∴ 1998HE9 ∴ Observational info
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(350461) 1998HE9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9459.88 days
Unobserved 50 days

 

Astrometry summary
Optical
RMS of residuals 0.61
First observation 1998-04-17.409
Last observation 2024-03-11.287
Number (Discarded) 196 (0)

 

Get the observational details
ASCII file

 

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