Home›Asteroids›18499 Showalter18499 ShowalterMain-belt minor planetOpen encyclopedia entry →Designation(18499) ShowalterClassMain-beltSemi-major axis2.3914268 AUEccentricity0.3494579Inclination4.28494°Absolute magnitude (H)15.98Perihelion1.556 AUAphelion3.227 AU