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AstDyS ∴ Objects ∴ 2001XY4 ∴ Observational info
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(200766) 2001XY4  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9070.09 days
Unobserved 134 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1999-02-17.184
Last observation 2023-12-18.269
Number (Discarded) 734 (3)

 

Get the observational details
ASCII file

 

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