Home›Asteroids›101220 1998 ST57101220 1998 ST57Main-belt minor planetDesignation(101220) 1998 ST57ClassMain-beltSemi-major axis2.4768433 AUEccentricity0.1863398Inclination2.23359°Absolute magnitude (H)16.02Perihelion2.015 AUAphelion2.938 AU