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AstDyS ∴ Objects ∴ 2001XF121 ∴ Observational info
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(211000) 2001XF121  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8007.04 days
Unobserved 168 days

 

Astrometry summary
Optical
RMS of residuals 0.45
First observation 2001-12-11.220
Last observation 2023-11-13.256
Number (Discarded) 448 (2)

 

Get the observational details
ASCII file

 

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