None. Venus takes 224.7 days to orbit the sun. Earth takes 365.25 days. Mars takes 686.971 Earth days to orbit the sun. The closer a planet is to the sun than earth, the shorter their orbit is, the further a planet is from the sun than earth, the longer their orbit, often dramatically longer. Neptune’s orbit is 164.79 years long, meaning that since Neptune was discovered in 1846, it has only just gone around the sun once.
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