Home›Asteroids›816375 2011 GR21816375 2011 GR21Main-belt minor planetDesignation(816375) 2011 GR21ClassMain-beltSemi-major axis2.3356063 AUEccentricity0.0645168Inclination6.19405°Absolute magnitude (H)18.37Perihelion2.185 AUAphelion2.486 AU