Original: is about 2 kilometres in diameter , and orbits Jupiter at an average distance of 20,744 Mm in 610.362 days , at an inclination of 151 Â to the ecliptic ( 149 Â to Jupiter 's equator ) , in a retrograde direction and with an eccentricity of 0.3185 .
Simplified: is about 2 kilometres in diameter , and orbits Jupiter at an average distance of 20,744,000 km in 610.362 days , at an inclination of 151 Â to the ecliptic ( 149 Â to Jupiter 's equator ) , with an eccentricity of 0.3185 .