Which characteristic defines the orbit of the Trans-Neptunian Object Sedna?
Answer
It follows an extremely long, eccentric orbit.
Sedna stands out among Trans-Neptunian Objects due to its orbital path, which is defined as extremely long and eccentric. Unlike objects with more stable or resonant orbits, Sedna travels on a path that takes it far away from the solar system's center, making it a unique and significant member of the outer frontier.
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