Every 238 years, the orbits of Neptune and Pluto change making Neptune at times the farthest planet from the sun.
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By Anonymous 679 Days AgoThe orbits don't "change." Part of the orbit of Pluto is closer to the sun than the orbit of Neptune. From 1979 to March 1999, Neptune was farther from the Sun than Pluto. This will next happen after 2200 or so.
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