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AstDyS ∴ Objects ∴ 2001RJ139 ∴ Observational info
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(153509) 2001RJ139  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 9638.98 days
Unobserved 70 days

 

Astrometry summary
Optical
RMS of residuals 0.51
First observation 1997-10-04.314
Last observation 2024-02-24.296
Number (Discarded) 881 (3)

 

Get the observational details
ASCII file

 

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