Home›Asteroids›186917 2004 NC21186917 2004 NC21Main-belt minor planetDesignation(186917) 2004 NC21ClassMain-beltSemi-major axis2.8066606 AUEccentricity0.1195117Inclination7.35911°Absolute magnitude (H)16.03Perihelion2.471 AUAphelion3.142 AU