Rings of Jupiter

Name Distance (km)
from planet's center 		Radial Width (km)
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

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.

Name Distance (km)
from planet's center 		Radial Width (km)
D 67,000 - 74,490 7,500
C 74,490 - 91,980 17,500
Colombo Gap 77,800 100
Maxwell Gap 87,500 270
Bond Gap 88,690-88,720 30
Dawes Gap 90,200-90,220 20
B 91,980 - 117,500 25,500
Cassini Division 117,500 - 122,050 4,700
Huygens Gap 117,680 285-440
Herschel Gap 118,183-118,285 102
Russell Gap 118,597-118,630 33
Jeffreys Gap 118,931-118,969 38
Kuiper Gap 119,403-119,406 3
Laplace Gap 119,848-120,086 238
Bessel Gap 120,236-120,246 10
Barnard Gap 120,305-120,318 13
A 122,050 - 136,770 14,600
Encke Gap 133,570 325
Keeler Gap 136,505 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

Name Distance (km)
from planet's center 		Radial Width (km)
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

Name Distance (km)
from planet's center 		Radial Width (km)
1989 N3R Galle 41,900 15
1989 N2R Leverrier 53,200 15
Lassell 55,400 -
Arago 57,600 -
1989 N1R Adams 62,930 < 50
Liberté ("Leading" arc) 62,900 -
Egalité ("Equidistant" arc) 62,900 -
Fraternité ("Following" arc) 62,900 -
Courage (arc) 62,900 -