Isonoe is about 3.8 kilometres in diameter , and orbits Jupiter at an average distance of 23,833,000 km in 751.647 days , at an inclination of 166 Â to the ecliptic ( 169 Â to Jupiter 's equator ) , with an eccentricity of 0.166 . Isonoe is about 3.8 kilometres in diameter , and orbits Jupiter at an average distance of 23,833 Mm in 751.647 days , at an inclination of 166 Â to the ecliptic ( 169 Â to Jupiter 's equator ) , in a retrograde direction and with an eccentricity of 0.166 .