Rings of Saturn Radius Radius/ Optical Albedo Thickness Surf. Density Eccentricity (km) Eq. radius Depth (m) (g/cm2) Saturn Equator 60,268 1.000 D inner edge 66,900 1.110 D outer edge 74,510 1.236 C inner edge 74,658 1.239 0.05 - 0.10 0.12 - 0.30 5 1.4 - 5 Titan ringlet 77,871 1.292 17 0.00026 Maxwell gap/ringlet 87,491 1.452 17 0.00034 C outer edge 92,000 1.527 0.12 0.2 5 2 - 7 B inner edge 92,000 1.527 0.4 - 2.5 0.4 - 0.6 5 - 10 20 - 100 B outer edge 117,580 1.951 1.8 Cassini division 0.05 - 0.15 0.2 - 0.4 20 18 - 20 A inner edge 122,170 2.027 0.4 - 1.0 0.4 - 0.6 10 - 30 30 - 40 Encke gap 133,589 2.216 Keeler gap 136,530 2.265 A outer edge 136,775 2.269 0.6 0.4 - 0.6 10 - 30 20 - 30 F ring center 140,180 2.326 0.1 0.6 0.0026 G inner edge 170,000 2.82 1.0 x 10-6 105 G outer edge 175,000 2.90 E inner edge 181,000 3 1.5 x 10-5 107 E outer edge 483,000 8 107 Rings, ringlets and gaps radially thinner than 1000 km are listed by center radius.