Uranus isn't eccentric; its path is almost a perfect circle. Strangely though, Uranus' axis of rotation is almost parallel to the ecliptic plane. Uranus has 27 moons.

As illustration, these models are applied to an attitude control dynamics simulation of a three-axis stability satellite and the corresponding toques were plotted in curves.

At last, the hardware in the loop simulation system for three-axis stabilized satellite attitude control based on PC, with reaction wheel and gyro in the loop is designed.