Home›Asteroids›21772 1999 RU21121772 1999 RU211Main-belt minor planetDesignation(21772) 1999 RU211ClassMain-beltSemi-major axis3.145215 AUEccentricity0.196151Inclination11.79639°Absolute magnitude (H)13.23Perihelion2.528 AUAphelion3.762 AU