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Which planet has the most eccentric orbit?

April 26, 2017Astronomy eccentric Orbit physical Planet sciences

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Which planet has the most eccentric orbit?

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Mercury has the most eccentric orbit, with an eccentricity of 0.205. Before Pluto was demoted to a dwarf planet, it held the title for most eccentric orbit, at 0.248. The planet with the orbit closest to circular is Venus, with only 0.007 eccentricity.Source:Class Zone: How Eccentric!