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AstDyS ∴ Objects ∴ 2001XW138 ∴ Observational info
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(156338) 2001XW138  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 7843.81 days
Unobserved 348 days

 

Astrometry summary
Optical
RMS of residuals 0.65
First observation 2001-11-20.367
Last observation 2023-05-13.173
Number (Discarded) 442 (2)

 

Get the observational details
ASCII file

 

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