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AstDyS ∴ Objects ∴ 1998EF12 ∴ Observational info
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(18642) 1998EF12  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 16991.9 days
Unobserved 251 days

 

Astrometry summary
Optical
RMS of residuals 0.42
First observation 1977-02-12.203
Last observation 2023-08-22.118
Number (Discarded) 2133 (8)

 

Get the observational details
ASCII file

 

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