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AstDyS ∴ Objects ∴ 1998JJ4 ∴ Observational info
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(44168) 1998JJ4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 13331.6 days
Unobserved 43 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1987-09-18.821
Last observation 2024-03-19.460
Number (Discarded) 1179 (4)

 

Get the observational details
ASCII file

 

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