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AstDyS ∴ Objects ∴ 1999XJ258 ∴ Observational info
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(524031) 1999XJ258  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8872.24 days
Unobserved 46 days

 

Astrometry summary
Optical
RMS of residuals 0.57
First observation 1999-12-04.230
Last observation 2024-03-19.473
Number (Discarded) 208 (0)

 

Get the observational details
ASCII file

 

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