The Planetary Motion Calculator is an online tool which used to calculate Satellite orbit period or Satellite mean orbital radius or mass of the planet, based on Kepler’s Third Law. BYJU’S calculator makes calculations of satellite orbit period, simple and interesting. If any of the two values are given then the third value can be evaluated quickly using this calculator.
How to use Planetery Motion Calculator?
Step 1: Enter the known values in input fields
Step 2: Mention x for the unknown value
Step 3: Click on “Calculate the unknown” button to get the result
What is Kepler’s Third Law of Planetary Motion?
According to Kepler’s third law of planetary motion, the square of orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit.
T2 ∝ r3
T is the orbital period
r is the semi-major axis of orbit or also called orbital radius
Also, T2 /r3 = √(4π2/GM)
Where G is the gravitation force and M is the mass of the Sun (or central star)
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