Simplify the following text for a Grade 10 native English-speaking person.
Original: S\/2004 S 12 is about 5 kilometres in diameter , and orbits Saturn at an average distance of 19,906 Gm in 1048.541 days , at an inclination of 164 Â to the ecliptic ( 162 Â to Saturn 's equator ) , in a retrograde direction and with an eccentricity of 0.396 .
Simplified: S\/2004 S 12 is about 5 kilometres in diameter , and orbits Saturn at an average distance of 19,906,000 km in 1048.541 days , at an inclination of 164 Â to the ecliptic ( 162 Â to Saturn 's equator ) , with an eccentricity of 0.396 .