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AstDyS ∴ Objects ∴ 1999RJ209 ∴ Observational info
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(121310) 1999RJ209  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 8941.74 days
Unobserved 54 days

 

Astrometry summary
Optical
RMS of residuals 0.48
First observation 1999-09-08.400
Last observation 2024-03-02.137
Number (Discarded) 751 (3)

 

Get the observational details
ASCII file

 

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