Home›Asteroids›238591 2004 YS21238591 2004 YS21Main-belt minor planetDesignation(238591) 2004 YS21ClassMain-beltSemi-major axis2.6732399 AUEccentricity0.0304005Inclination4.37983°Absolute magnitude (H)16.65Perihelion2.592 AUAphelion2.755 AU