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AstDyS ∴ Objects ∴ 1999JS121 ∴ Observational info
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(17154) 1999JS121  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 13281.4 days
Unobserved 321 days

 

Astrometry summary
Optical
RMS of residuals 0.51"
First observation 1982-01-20.871
Last observation 2018-06-02.284
Number (Discarded) 1957 (18)

 

Get the observational details
ASCII file

 

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





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