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Planetary Mechanics

Keplers 3 Laws

Introduction to all 3 laws

Keplers 3rd Law

Calculating the altitude of a satellite

Gravity and Centripetal Force

Using equations for gravity and setting them equal to the centripetal force

Orbital Energy

Gravitational Orbital Energy Part 1

Work to go to a height, the Kinetic energy required

and the velocity (not in orbit)

Gravitational Orbital Energy Part 2

Binding energy and escape velocity

Gravitational Orbital Energy Part 3

Work to go into orbit and the velocity required

Gravitational Orbital Energy Part 4

Kinetic energy once in orbit and the velocity in orbit