Home›Asteroids›545440 2011 JR21545440 2011 JR21Main-belt minor planetDesignation(545440) 2011 JR21ClassMain-beltSemi-major axis2.6890513 AUEccentricity0.0494356Inclination3.58954°Absolute magnitude (H)17.4Perihelion2.556 AUAphelion2.822 AU