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(90377) Sedna  ▹ 
OBSERVATIONAL INFORMATION
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Arc information
Arc length 12227.8 days
Unobserved 37 days

 

Astrometry summary
Optical
RMS of residuals 0.49
First observation 1990-09-25.441
Last observation 2024-03-18.285
Number (Discarded) 499 (7)

 

Get the observational details
ASCII file

 

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