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AstDyS ∴ Objects ∴ 1999XB143 ∴ Observational info
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(86358) 1999XB143  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 21303.7 days
Unobserved 37 days

 

Astrometry summary
Optical
RMS of residuals 0.44
First observation 1965-11-20.731
Last observation 2024-03-19.380
Number (Discarded) 2224 (3)

 

Get the observational details
ASCII file

 

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