| Name |
Distance from center of main planet
Planet (km)
radii |
Radial width (km) |
Thickness (km) |
Optical depth |
Total mass (g) |
Albedo |
| Rings of Jupiter |
| "Halo" |
(1.40)-1.72 |
(100,000)-122,800 |
22,800 |
(20,000) |
6×10-6 |
? |
0.05 |
| "Main" |
1.72-1.81 |
122,80-129,200 |
226,400 |
<30 |
10-6 |
(1016) |
0.05 |
| "Gossamer" |
1.81-(3) |
129,200-(214,200) |
850,000 |
? |
10-7 |
? |
0.05 |
| Rings of Saturn |
| D |
1.10-1.24 |
66,000-74,500 |
8,500 |
? |
(0.01) |
? |
? |
| C "Crepe Ring" |
1.24-1.52 |
74,658-92,000 |
17,342 |
? |
0.05-0.35 |
1.1×1021 |
0.25 |
| Maxwell Gap |
1.45 |
87,500 |
270 |
|
|
|
|
| B |
1.53-1.95 |
91,975-117,507 |
25,532 |
(0.1-1) |
0.4-2.5 |
2.8×1022 |
0.65 |
| Cassini Division |
1.95-2.02 |
117,500-122,200 |
4,700 |
|
0.12 |
5.7×1020 |
0.30 |
| A |
2.02-2.27 |
122,340-136,775 |
14,435 |
(0.1-1) |
0.70 |
6-2×1021 |
0.60 |
| Encke Gapa |
2.216 |
133,589 |
325 |
|
|
|
|
| Keeler Gap |
2.263 |
136,530 |
35 |
|
|
|
|
| F |
2.329 |
140,374 |
30-500 |
? |
0.1 |
? |
0.6 |
| G |
2.76-2.88 |
166,000-173,000 |
7,000 |
100-1,000 |
10-6 |
6-23×109 |
? |
| E |
(3-8) |
(180,000-480-000) |
(300,000) |
(1,000) |
10-6-10-7 |
? |
? |
|
aAlthough the discovery of this gap is often ascribed to J.Encke,
J.Keeler was probably the first to observe it.
|
| Rings of Uranus |
| 6 |
1.637 |
41,837 |
~1.5 |
(0.1) |
0.2-0.3 |
? |
(0.02) |
| 5 |
1.612 |
42,230 |
~2 |
(0.1) |
0.5-0.6 |
? |
(0.02) |
| 4 |
1.625 |
42,580 |
~2.5 |
(0.1) |
0.3 |
? |
(0.02) |
| Alpha(a) |
1.707 |
44,720 |
4-10 |
(0.1) |
0.3-0.4 |
? |
(0.02) |
| Beta(b) |
1.743 |
45,670 |
5-11 |
(0.1) |
0.2 |
? |
(0.02) |
| Eta(h) |
1.801 |
47,190 |
1.6 |
(0.1) |
0.1-0.4 |
? |
(0.02) |
| Gamma(g) |
1.818 |
47,630 |
1-4 |
(0.1) |
1.3-2.3 |
? |
(0.02) |
| Delta(d) |
1.843 |
48,290 |
3-7 |
(0.1) |
0.3-0.4 |
? |
(0.02) |
| 1986U1R |
1.909 |
50,020 |
~2 |
(0.1) |
0.1 |
? |
(0.02) |
| Epsilon(e) |
1.952 |
51,140 |
20-96 |
<0.15 |
0.5-2.1 |
? |
(0.02) |
| Rings of Neptune |
| Galle |
1.692-1.733 |
41,900-43,900 |
~2,000 |
? |
~8×10-5 |
? |
~0.015 |
| Leverrier |
2.148 |
53,200 |
~110 |
? |
~0.002 |
? |
~0.015 |
| Lassell |
2.148-2.310 |
53,200-57,200 |
~4,000 |
? |
1.5×10-4 |
? |
~0.015 |
| Arago |
2.310 |
57,200 |
<~100 |
? |
? |
? |
? |
| Unnamed |
2.501 |
61,950 |
? |
? |
? |
? |
? |
| Adams |
2.541 |
62,933 |
~50 |
? |
~4.5×10-3 |
? |
~0.015 |
|