Home›Asteroids›197678 2004 NR21197678 2004 NR21Main-belt minor planetDesignation(197678) 2004 NR21ClassMain-beltSemi-major axis2.3360493 AUEccentricity0.2395429Inclination5.78079°Absolute magnitude (H)17.14Perihelion1.776 AUAphelion2.896 AU