Simplify the following text for a Grade 10 native English-speaking person.
Original: is about 2 kilometres in diameter , and orbits Jupiter at an average distance of 22,721 Mm in 699.676 days , at an inclination of 142 Â to the ecliptic ( 142 Â to Jupiter 's equator ) , in a retrograde direction and with an eccentricity of 0.0932 .
Simplified: is about 2 kilometres in diameter , and orbits Jupiter at an average distance of 22,721,000 km in 699.676 days , at an inclination of 142 Â to the ecliptic ( 142 Â to Jupiter 's equator ) , with an eccentricity of 0.0932 .