Home›Asteroids›220931 2005 HM220931 2005 HMMain-belt minor planetDesignation(220931) 2005 HMClassMain-beltSemi-major axis2.2684419 AUEccentricity0.1853212Inclination6.20706°Absolute magnitude (H)17.68Perihelion1.848 AUAphelion2.689 AU