Eurydome is about 3 kilometres in diameter , and orbits Jupiter at an average distance of 23,231,000 km in 723.359 days , at an inclination of 149 Â to the ecliptic ( 147 Â to Jupiter 's equator ) , with an eccentricity of 0.3770 . Eurydome is about 3 kilometres in diameter , and orbits Jupiter at an average distance of 23,231 Mm in 723.359 days , at an inclination of 149 Â to the ecliptic ( 147 Â to Jupiter 's equator ) , in a retrograde direction and with an eccentricity of 0.3770 .