Home›Asteroids›18142 Adamsidman18142 AdamsidmanMain-belt minor planetOpen encyclopedia entry →Designation(18142) AdamsidmanClassMain-beltSemi-major axis2.2290446 AUEccentricity0.1544248Inclination3.91497°Absolute magnitude (H)15.5Perihelion1.885 AUAphelion2.573 AU