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AstDyS ∴ Objects ∴ 1999XQ156 ∴ Observational info
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(49888) 1999XQ156  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9381.95 days
Unobserved 55 days

 

Astrometry summary
Optical
RMS of residuals 0.48
First observation 1998-06-25.350
Last observation 2024-03-02.298
Number (Discarded) 1352 (7)

 

Get the observational details
ASCII file

 

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