Home›Asteroids›3773 Smithsonian3773 SmithsonianMain-belt minor planetOpen encyclopedia entry →Designation(3773) SmithsonianClassMain-beltSemi-major axis2.1660426 AUEccentricity0.1833863Inclination1.32512°Absolute magnitude (H)13.38Perihelion1.769 AUAphelion2.563 AU