Home›Asteroids›339078 2004 RR21339078 2004 RR21Main-belt minor planetDesignation(339078) 2004 RR21ClassMain-beltSemi-major axis2.4570147 AUEccentricity0.2244024Inclination2.41274°Absolute magnitude (H)17.62Perihelion1.906 AUAphelion3.008 AU