State Kepler’s third law.


Kepler’s third law states that the square of the periodic time of orbit is proportional to the cube of the mean distance between the two bodies. The mean distance is equal to the semi major axis a. For the artificial satellites orbiting the earth, Kepler’s third law can be written in the form a3 =μ/n2 Where ‘n’ is the mean motion of the satellite in radians per second and the earth‘s geocentric gravitational constant is given by µ = 3.986005*1014m3/s2.

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