Home›Asteroids›257539 1998 HP257539 1998 HPMain-belt minor planetDesignation(257539) 1998 HPClassMain-beltSemi-major axis2.2965457 AUEccentricity0.1782186Inclination3.13481°Absolute magnitude (H)17.81Perihelion1.887 AUAphelion2.706 AU