An object has been located orbiting the sun at a distance from the sun of 65 AU. What is the approximate orbital period of this object?
A) 65 years
B) 275,000 years
C) 4225 years
D) 8.1 years
E) 524 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 ≈ 524 years.

An Object Has Been Located Orbiting the Sun at a Distance