Home›Asteroids›99221 2001 HP5599221 2001 HP55Main-belt minor planetDesignation(99221) 2001 HP55ClassMain-beltSemi-major axis2.7769751 AUEccentricity0.1720959Inclination8.1363°Absolute magnitude (H)15.22Perihelion2.299 AUAphelion3.255 AU