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Gazetteer of Planetary Nomenclature |
Home |
| System | Name |
Distance (km) from planet's center |
Radial Width (km) |
|---|---|---|---|
| Rings of Jupiter | |||
| 1979 J1R ("Halo") | 100,000 - 122,800 | 22,800 | |
| 1979 J2R ("Main") | 122,800 - 129,200 | 6,400 | |
| 1979 J3R ("Gossamer") | 129,200 - 214,200 | 85,000 | |
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Rings of Saturn
Divisions are the separations between named rings, and gaps are the spaces within named rings. In general, divisions are large, gaps are small.
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| D | 67,000 - 74,490 | 7,500 | |
| C | 74,490 - 91,980 | 17,500 | |
| Colombo Gap | 77,800 | 100 | |
| Maxwell Gap | 87,500 | 270 | |
| B | 91,980 - 117,500 | 25,500 | |
| Cassini Division | 117,500 - 122,050 | 4,700 | |
| Huygens Gap | 117,680 | 285-440 | |
| A | 122,050 - 136,770 | 14,600 | |
| Encke Gap | 133,570 | 325 | |
| Keeler Gap | 136,530 | 35 | |
| Roche Division | 136,770-139,380 | 2600 | |
| F | 140,224 | 30-500 | |
| G | 166,000 - 174,000 | 8,000 | |
| E | 180,000 - 480,000 | 300,000 | |
| Rings of Uranus | |||
| Zeta (1986 U2R) | 39,600 | 3,500 (plus 5,000 km extension inwards) | |
| 6 | 41,840 | 1-3 | |
| 5 | 42,230 | 2-3 | |
| 4 | 42,580 | 2-3 | |
| Alpha | 44,720 | 7-12 | |
| Beta | 45,670 | 7-12 | |
| Eta | 47,190 | 0-2 | |
| Gamma | 47,630 | 1-4 | |
| Delta | 48,290 | 3-9 | |
| Lambda (1986 U1R) | 50,020 | 1-2 | |
| Epsilon | 51,140 | 20-100 | |
| Nu (R/2003 U 2) | 67,300 | 3,800 | |
| Mu (R/2003 U 1) | 97,700 | 17,000 | |
| Rings and ring arcs of Neptune | |||
| 1989 N3R Galle | 41,900 | 15 | |
| 1989 N2R Leverrier | 53,200 | 15 | |
| Lassell | 55,400 | - | |
| Arago | 57,600 | - | |
| 1989 N1R Adams | 62,930 | < 50 | |
| Liberte ("Leading" arc) | 62,900 | - | |
| Egalite ("Equidistant" arc) | 62,900 | - | |
| Fraternite ("Following" arc) | 62,900 | - | |
| Courage (arc) | 62,900 | - | |