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gravitational period (T)

(2π/√GM)r^3/2

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gravitational velocity (v)

√(GM/r)

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Gravity on another planet (g)

(GM/r^2)

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centripetal force

(mv^2/r)

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centripetal acceleration

(v^2)/r

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velocity

(2πr)/T

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In √(GM/r) , what does the M represent?

mass of the object being orbited

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Newton's Law of Universal Gravitation (F)

G((m1 * m2)/r^2)

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