nope Ring-Moon Systems Node - URANUS URANUS_TABLES

Vital Statistics for Uranus’s Rings and Inner Satellites

Rings of Uranus

Feature Middle Boundary (km) Width Eccentricity Inclination (deg) Optical Depth Notes
Six 41,837 1.5 0.00101 0.062 ~ 0.3  
Five 42,234 ~ 2 0.00190 0.054 ~ 0.5  
Four 42,571 ~ 2 0.001065 0.032 ~ 0.3  
Alpha 44,718 4 to 10 0.00076 0.015 ~ 0.4  
Beta 45,661 5 to 11 0.00044 0.005 ~ 0.3  
Eta 47,176 1.6     ≤ 0.4  
Gamma 47,627 1 to 4 0.00109 0.000 ≥ 0.3 Shape also contains an m=0 mode of 5.15 km amplitude [3].
Delta 48,300 3 to 7 0.00004 0.001 ~ 0.5 Shape also contains an m=2 mode of 3.11 km amplitude [3].
Lambda 50,024 ~ 2 0. 0. ~ 0.1 Contains clumps.
Epsilon 51,149 20 to 96 0.00794 0.000 0.5 to 2.3 Shepherded by
Cordelia and Ophelia. R/2003 U 2 67,300 3800 0 0 0.000006 Very faint; bounded by Portia and Rosalind.
R/2003 U 1 97,700 17,000 0 0 0.000008 Very faint; peaks at the orbit of Mab.

Inner Satellites of Uranus

Name Semimajor Axis (km) Period (days) Eccentricity Inclination (deg) Mean Radius (km) Mass (10^20 kg)
Cordelia 49,752 0.3350331 0.000 0.1 13  
Ophelia 53,764 0.3764089 0.010 0.1 16  
Bianca 59,165 0.4345772 0.00027 0.18 27  
Cressida 61,767 0.4635700 0.00020 0.038 41  
Desdemona 62,659 0.4736510 0.00034 0.098 35  
Juliet 64,358 0.4930660 0.00005 0.045 53  
Portia 66,097 0.5131958 0.00051 0.026 70  
Rosalind 69,927 0.5584589 0.00058 0.093 36  
Cupid 74,392 0.6128252 0 0 9  
Belinda 75,256 0.6235248 0.00028 0.027 45  
Perdita 76,417 0.6380191 0.00329 0.068 13  
Puck 86,004 0.7618321 0.00039 0.321 81  
Mab 97,736 0.9229583 0.00254 0.14 12  
Miranda 129,800 1.413 0.0027 4.22 235 0.659
Ariel 191,200 2.520 0.0034 0.31 579 13.53
Umbriel 266,000 4.144 0.0050 0.36 585 11.72
Titania 435,800 8.706 0.0022 0.10 789 35.27
Oberon 583,600 13.463 0.0008 0.10 761 30.14

Sources:

French, R. G., P. D. Nicholson, C. C. Porco, and E. A. Marouf. Dynamics and Structure of the Uranian Rings. In Uranus (J. T. Bergstralh, E. D. Miner, and M. S. Matthews, Eds.), University of Arizona Press, pp. 327-409.

Karkoschka, E. 2001. Voyager’s eleventh discovery of a satellite of Uranus and photometry and the first size measurements of nine satellites. Icarus 151, 69-77.

Murray, C. D., and S. F. Dermott 1999. Solar System Dynamics, Cambridge University Press.

Showalter and Lissauer 2006. The second ring-moon system of Uranus: Discovery and dynamics. Science, in press.


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