Home›Asteroids›13538 1991 ST13538 1991 STMain-belt minor planetDesignation(13538) 1991 STClassMain-beltSemi-major axis2.200394 AUEccentricity0.2209288Inclination6.8454°Absolute magnitude (H)13.72Perihelion1.714 AUAphelion2.687 AU