Aegir is about 6 kilometres in diameter , and orbits Saturn at an average distance of 19,618,000 km in 1025.908 days , at an inclination of 167 Â to the ecliptic ( 140 Â to Saturn 's equator ) , with an eccentricity of 0.237 . Aegir is about 6 kilometres in diameter , and orbits Saturn at an average distance of 19,618 Mm in 1025.908 days , at an inclination of 167 Â to the ecliptic ( 140 Â to Saturn 's equator ) , in a retrograde direction and with an eccentricity of 0.237 .