Total mass is that of a small moon. All particles orbiting. Close up of Saturn rings - rings made of tens of thousands of ringlets. Also large ring gaps. Uranus - relatively featureless atmosphere.
Spin axis is tipped over to orbital plane - most extreme seasons in solar system.
Has rings and many moons. Blue color due to methane gas. Has rings and many moons. Pluto and Charon - found only in 1930. Has a moon Charon that orbits each 6.4 days.