Home›Asteroids›850640 2007 HB21850640 2007 HB21Main-belt minor planetDesignation(850640) 2007 HB21ClassMain-beltSemi-major axis2.298886 AUEccentricity0.1672903Inclination1.78423°Absolute magnitude (H)18.82Perihelion1.914 AUAphelion2.683 AU