Home›Asteroids›21984 1999 XC1221984 1999 XC12Main-belt minor planetDesignation(21984) 1999 XC12ClassMain-beltSemi-major axis3.0142931 AUEccentricity0.0437734Inclination9.70291°Absolute magnitude (H)13.66Perihelion2.882 AUAphelion3.146 AU