Home›Asteroids›478440 2012 JH21478440 2012 JH21Main-belt minor planetDesignation(478440) 2012 JH21ClassMain-beltSemi-major axis2.2819385 AUEccentricity0.1864471Inclination6.87065°Absolute magnitude (H)18.2Perihelion1.856 AUAphelion2.707 AU