In Kepler's Third Law, the Proportionality Constant Between the Period

Multiple Choice

In Kepler's Third Law, the proportionality constant between the period of the motion and the orbital radius depends

A) directly on the mass of the orbiting body.
B) directly on the mass of the orbited body.
C) inversely on the mass of the orbiting body.
D) inversely on the mass of the orbited body.