The orbital angular momentum of an object in orbit is the product of its orbital velocity, the mass of the object and and the distance between the object and the body it is orbiting around divided by the period of the object's orbit. Since the orbital velocity can be found by dividing the circumference of an object's orbit by the period of its orbit, the equation for orbital angular momentum is: 2 X pi X Mass X Distance^2 / period of orbit.
Instructions
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1
Multiply 3.14, or pi, by 2.
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2
Multiply that product by the mass of the object.
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3
Calculate the distance of the orbiting object from the body it is orbiting around to the second power. Multiply this number by the product of Step 2.
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4
Divide this number (2 X 3.14 X Mass X Distance^2) by the period of orbit.