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What is the diameter of solar system and that of orbit of the earth?

April 26, 2017Astronomy diameter earth Mathematics Orbit solar system

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What is the diameter of solar system and that of orbit of the earth?

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The diameter of the earth’s orbit is about 2 AU, which is about equal to 186 million miles. The diameter of the solar system is a little trickier. If you include just the planets in the solar system, then the diameter would be 60.2 AU. (1 AU = 93 million miles). However, the solar system really extends out to what is referred to as the Oort Cloud. This is a vast region of space comprised of many particles such as comets and asteroids. The Oort Cloud has a diameter that is about 1000 times greater than the conventional universe. So it probably has a diameter close to 60,000 AU. * AU = Astronomical Units.