Home›Asteroids›5558 Johnnapier5558 JohnnapierInner minor planetOpen encyclopedia entry →Designation(5558) JohnnapierClassInnerSemi-major axis1.9354379 AUEccentricity0.1126182Inclination23.38371°Absolute magnitude (H)14.36Perihelion1.717 AUAphelion2.153 AU