Home›Asteroids›100831 1998 HW9100831 1998 HW9Main-belt minor planetDesignation(100831) 1998 HW9ClassMain-beltSemi-major axis2.3162522 AUEccentricity0.1864767Inclination3.65227°Absolute magnitude (H)16.15Perihelion1.884 AUAphelion2.748 AU