Simplify the following text for a Grade 8 native English-speaking person.
Original: Skathi is about 6.4 kilometres in diameter , and orbits Saturn at an average distance of 15,576 Mk in 725.784 days , at an inclination of 149 Â to the ecliptic ( 150 Â to Saturn 's equator ) , in a retrograde direction and with an eccentricity of 0.246 .
Simplified: Skathi is about 6.4 kilometres in diameter , and orbits Saturn at an average distance of 15,576,000 km in 725.784 days , at an inclination of 149 Â to the ecliptic ( 150 Â to Saturn 's equator ) with an eccentricity of 0.246 .