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AstDyS ∴ Objects ∴ 1999XL217 ∴ Observational info
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(326325) 1999XL217  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8559.87 days
Unobserved 347 days

 

Astrometry summary
Optical
RMS of residuals 0.58
First observation 1999-12-13.367
Last observation 2023-05-21.235
Number (Discarded) 348 (3)

 

Get the observational details
ASCII file

 

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