Home›Asteroids›209971 2006 HE21209971 2006 HE21Main-belt minor planetDesignation(209971) 2006 HE21ClassMain-beltSemi-major axis2.2130078 AUEccentricity0.0715532Inclination3.65221°Absolute magnitude (H)17.35Perihelion2.055 AUAphelion2.371 AU