Hegemone is about 3 kilometres in diameter , and orbits Jupiter at an average distance of 23,703,000 km in 745.500 days , at an inclination of 153 Â to the ecliptic ( 151 Â to Jupiter 's equator ) , with an eccentricity of 0.4077 . Hegemone is about 3 kilometres in diameter , and orbits Jupiter at an average distance of 23,703 Mm in 745.500 days , at an inclination of 153 Â to the ecliptic ( 151 Â to Jupiter 's equator ) , in a retrograde direction and with an eccentricity of 0.4077 .