Home›Asteroids›228166 2009 ST170228166 2009 ST170Main-belt minor planetDesignation(228166) 2009 ST170ClassMain-beltSemi-major axis2.2644425 AUEccentricity0.194805Inclination3.1533°Absolute magnitude (H)17.19Perihelion1.823 AUAphelion2.706 AU