Home›Asteroids›51640 2001 HP5451640 2001 HP54Main-belt minor planetDesignation(51640) 2001 HP54ClassMain-beltSemi-major axis2.3395412 AUEccentricity0.0435812Inclination6.14298°Absolute magnitude (H)16.1Perihelion2.238 AUAphelion2.442 AU