Home›Asteroids›1821 Aconcagua1821 AconcaguaMain-belt minor planetDesignation(1821) AconcaguaClassMain-beltSemi-major axis2.3789787 AUEccentricity0.2008318Inclination2.10452°Absolute magnitude (H)13.28Perihelion1.901 AUAphelion2.857 AU