Home›Asteroids›31389 Alexkaplan31389 AlexkaplanMain-belt minor planetOpen encyclopedia entry →Designation(31389) AlexkaplanClassMain-beltSemi-major axis2.4115387 AUEccentricity0.1213702Inclination3.39148°Absolute magnitude (H)15.42Perihelion2.119 AUAphelion2.704 AU