Home›Asteroids›29721 1999 AC2129721 1999 AC21Main-belt minor planetDesignation(29721) 1999 AC21ClassMain-beltSemi-major axis2.3624982 AUEccentricity0.1162202Inclination6.42501°Absolute magnitude (H)15.51Perihelion2.088 AUAphelion2.637 AU