Home›Asteroids›121224 1999 RA21121224 1999 RA21Inner minor planetDesignation(121224) 1999 RA21ClassInnerSemi-major axis1.956262 AUEccentricity0.0847561Inclination18.4228°Absolute magnitude (H)16.8Perihelion1.790 AUAphelion2.122 AU