To find the mass of Jupiter,we only need to know the semimajor axis and period of one of its moons.

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Quizplus · Accepted Answer

This is true because using Kepler's third law, we can calculate the mass of Jupiter by measuring the period and semimajor axis of one of its moons. Kepler's third law states that the square of the orbital period of a planet or moon is directly proportional to the cube of the semimajor axis of its orbit. By measuring these two values for a moon orbiting Jupiter, we can calculate the mass of Jupiter.

To Find the Mass of Jupiter,we Only Need to Know