Home›Asteroids›31507 Williamjin31507 WilliamjinMain-belt minor planetOpen encyclopedia entry →Designation(31507) WilliamjinClassMain-beltSemi-major axis2.2769051 AUEccentricity0.0999941Inclination5.05953°Absolute magnitude (H)15.18Perihelion2.049 AUAphelion2.505 AU