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AstDyS ∴ Objects ∴ 2001XJ9 ∴ Observational info
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(172043) 2001XJ9  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8112.72 days
Unobserved 124 days

 

Astrometry summary
Optical
RMS of residuals 0.47
First observation 2001-10-15.348
Last observation 2024-01-01.072
Number (Discarded) 663 (3)

 

Get the observational details
ASCII file

 

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