Callirrhoe is about 8.6 kilometres in diameter , and orbits Jupiter at an average distance of 24,356,000 km in 776.543 days , at an inclination of 141 Â to the ecliptic ( 140 Â to Jupiter 's equator ) , with an eccentricity of 0.264 . Callirrhoe is about 8.6 kilometers in diameter , and orbits Jupiter at an average distance of 24.1 million kilometers in 758 days , at an inclination of 141 Â to the ecliptic ( 140 Â to Jupiter 's equator ) with an eccentricity of 0.28 .