Home›Asteroids›28111 1998 SY3128111 1998 SY31Main-belt minor planetDesignation(28111) 1998 SY31ClassMain-beltSemi-major axis2.3008977 AUEccentricity0.1677283Inclination4.65622°Absolute magnitude (H)15.88Perihelion1.915 AUAphelion2.687 AU