How Long It Takes Each Planet to Orbit the Sun
Mars: 686.98 Earth Days
Mars takes 686.98 Earth days to orbit the Sun, which is about two Earth years. This is because Mars is further from the Sun than Earth, and therefore it takes longer for it to travel around the Sun. Mars's orbit is also more elliptical than Earth's, so its distance from the Sun varies throughout its orbit. This means that Mars's speed around the Sun also varies, and it is slowest when it is furthest from the Sun.
Fun Fact:
Mars's orbit around the Sun is tilted at an angle of 5.65 degrees, which is slightly more than Earth's orbit. This tilt causes Mars's seasons to be slightly more extreme than Earth's.
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