True. It turns out, it also applies for the two body problem, as long as one body is much more massive than the other. https://en.wikipedia.org/wiki/Orbital_p

True. It turns out, it also applies for the two body problem, as long as one body is much more massive than the other. https://en.wikipedia.org/wiki/Orbital_period#Small_body_orbiting_a_central_body https://en.wikipedia.org/wiki/Orbital_period#Small_body_orbi...