# Physics-Gravity

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A orbiting satellite stays over a certain spot on the equator of (rotating) Pluto. What is the altitude of the orbit (called a "synchronous orbit")?

Do I use T^2=4pi^2/GM x r^3?

• Physics-Gravity -

yes. Pluto's rotation period is 6.39 (earth) days. You will also need its mass.

• Physics-Gravity -

then how do i get the altitude after i solve for r subtract the radius of pluto?

• Physics-Gravity -

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