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How do you calculate the distance between two planets given their periods?

April 26, 2017Astronomy CALCULATE distance given Mathematics periods planets

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How do you calculate the distance between two planets given their periods?

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You can’t. You can only calculate the distance between their orbits. And even for that, you need the mass of the central sun, or the distance & period of one planet. Plus, you would have to assume some shape for the orbits — circular, or elliptical.