Home›Asteroids›815257 2009 TN55815257 2009 TN55Main-belt minor planetDesignation(815257) 2009 TN55ClassMain-beltSemi-major axis2.3636494 AUEccentricity0.1857975Inclination0.55842°Absolute magnitude (H)19.03Perihelion1.924 AUAphelion2.803 AU