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AstDyS ∴ Objects ∴ Sedna ∴ Observational info
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(90377) Sedna  ▹ 
OBSERVATIONAL INFORMATION
Arc information
Arc length 10300.1 days
Unobserved 285 days

 

Astrometry summary
Optical
RMS of residuals 0.72"
First observation 1990-09-25.441
Last observation 2018-12-07.555
Number (Discarded) 162 (6)

 

Get the observational details
ASCII file

 

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





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