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AstDyS ∴ Objects ∴ 1999XL223 ∴ Observational info
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(205157) 1999XL223  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8562.73 days
Unobserved 358 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1999-12-02.447
Last observation 2023-05-13.176
Number (Discarded) 220 (0)

 

Get the observational details
ASCII file

 

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