Home›Asteroids›553317 2011 HW40553317 2011 HW40Main-belt minor planetDesignation(553317) 2011 HW40ClassMain-beltSemi-major axis2.2531541 AUEccentricity0.1905068Inclination8.63472°Absolute magnitude (H)17.84Perihelion1.824 AUAphelion2.682 AU