Home›Asteroids›31642 Soyounchoi31642 SoyounchoiMain-belt minor planetOpen encyclopedia entry →Designation(31642) SoyounchoiClassMain-beltSemi-major axis2.680631 AUEccentricity0.1403747Inclination1.40421°Absolute magnitude (H)15.39Perihelion2.304 AUAphelion3.057 AU