2023年3月7日 · Solar radius and mass: R ☉ ≈110R ⊕ and M ☉ ≈ 330,000M ⊕. , where P is the period of orbit in years, and a is the semi-major axis measured in AU. The net mass, , is the sum of the mass of both bodies, and is normalized to the mass of the Sun. For a planet of mass, , orbiting a star of much larger mass, , the normalized net mass is .