An object has been located orbiting the Sun at a distance of 65 AU.What is the approximate orbital period of this object?
A)8.1 years
B)65 years
C)524 years
D)4225 years

Question

Quizplus · Accepted Answer

According to Kepler's Third Law, the orbital period (P) in years is related to the semi-major axis (a) in astronomical units (AU) by the formula P^2 = a^3. For an object at 65 AU, P^2 = 65^3, which gives P approximately equal to 524 years.

An Object Has Been Located Orbiting the Sun at a Distance