Home›Asteroids›21764 1999 RY20521764 1999 RY205Main-belt minor planetDesignation(21764) 1999 RY205ClassMain-beltSemi-major axis2.604448 AUEccentricity0.1490631Inclination12.99112°Absolute magnitude (H)14.01Perihelion2.216 AUAphelion2.993 AU