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Projectile and Satellite Motion - Fgamedia.org

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Kepler’s Third Law<br />

• The square of the orbital period of a planet is directly<br />

proportional to the cube of the average distance of<br />

the planet from the Sun (T 2 ~r 3 for all planets)<br />

T<br />

2<br />

2<br />

⎛ 4π<br />

⎞<br />

3<br />

=<br />

⎜<br />

⎝ Gm<br />

sun<br />

⎟r<br />

⎠<br />

This is constant

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