Home›Asteroids›21221 1994 YM121221 1994 YM1Main-belt minor planetDesignation(21221) 1994 YM1ClassMain-beltSemi-major axis2.9836125 AUEccentricity0.084501Inclination11.74701°Absolute magnitude (H)13.52Perihelion2.731 AUAphelion3.236 AU