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PLANETS - URANUS' SATELLITE DATA
This table updated on 01/11/03. Satellites are listed in order of increasing
distance from Uranus. The table has been broken up into groups of 10 to aid
reading the data. Data adopted from NASA Space Science Data Centre/Goddard
Spaceflight Centre tables and other sources. To save you counting, there are
25 moons... so far... at the moment.
ORBITAL PARAMETERS
NAME NUMBER Semimajor Uranian Orbital Rotation Inc. Ecc.
axis (km) radii period (d) period (d) (°)
Cordelia UVI S/1986 U7 49 770 1.947 0.335034 - 0.08 0.0003
Ophelia UVII S/1986 U8 53 790 2.104 0.376400 - 0.10 0.0099
Bianca UVIII S/1986 U9 59 170 2.315 0.434579 - 0.19 0.0009
Cressida UIX S/1986 U3 61 780 2.417 0.463570 - 0.01 0.0004
Desdemona UX S/1986 U6 62 680 2.452 0.473650 - 0.11 0.0001
Juliet UXI S/1986 U2 64 350 2.518 0.493065 - 0.07 0.0007
Portia UXII S/1986 U1 66 090 2.586 0.513196 - 0.06 0.0000
Rosalind UXIII S/1986 U4 69 940 2.736 0.558460 - 0.28 0.0001
- - S/2003 U2 74 800 2.93 0.618 - - -
Belinda UXIV S/1986 U5 75 260 2.944 0.623527 - 0.03 0.0001
Puck UXV S/1985 U1 86 010 3.365 0.761833 - 0.32 0.0001
- - S/2003 U1 97 700 3.82 0.923 - - -
Miranda UV - 129 390 5.078 1.413479 S 4.22 0.0027
Ariel UI - 191 020 7.481 2.520379 S 0.31 0.0034
Umbriel UII - 266 300 10.41 4.144177 S 0.36 0.0050
Titania UIII - 435 910 17.05 8.705872 S 0.14 0.0022
Oberon UIV - 583 520 22.79 13.463239 S 0.10 0.0008
- - S/2001 U3 4 280 000 167.3 799.0(R) - 145.2 0.146
Caliban UXVI S/1997 U1 7 230 000 282.9 579.5(R) - 140.88 0.159
Stephano UXX S/1999 U2 8 002 000 313.1 676.5(R) - 144.06 0.230
Trinculo UXXI S/2001 U1 8 571 000 335.3 758.1(R) - 166.33 0.208
Sycorax UXVII S/1997 U2 12 179 000 476.5 1 283.4(R) - 159.40 0.522
Prospero UXVIII S/1999 U3 16 418 000 642.4 1 992.8(R) - 151.91 0.443
Setebos UXIX S/1999 U1 17 459 000 683.1 2 202.3(R) - 158.17 0.588
- - S/2001 U2 21 000 000 821.6 2 823.4(R) - 167.3 0.426
Notes:
Inc. = Inclination.
Ecc. = Eccentricity.
R = Retrograde orbit.
S = Synchronous rotation - rotation period same as orbital period.
BULK PARAMETERS
NAME NUMBER Mass Radius Mean Visual Visual
(#) (km) density geometric magnitude
(kg/m³) albebo
Cordelia UVI S/1986 U7 - 20 - 0.07 23.6
Ophelia UVII S/1986 U8 - 21 - 0.07 23.3
Bianca UVIII S/1986 U9 - 27 - 0.07 22.5
Cressida UIX S/1986 U3 - 40 - 0.07 21.6
Desdemona UX S/1986 U6 - 32 - 0.07 22.0
Juliet UXI S/1986 U2 - 47 - 0.07 21.1
Portia UXII S/1986 U1 - 68 - 0.07 20.4
Rosalind UXIII S/1986 U4 - 36 - 0.07 21.8
- - S/2003 U2 - 12 - - -
Belinda UXIV S/1986 U5 - 40 - 0.07 21.5
Puck UXV S/1985 U1 - 81 - 0.07 19.8
- - S/2003 U1 - 16 - - -
Miranda UV - 0.66 240x234.2x232.9 1 200 0.27 15.8
Ariel UI - 13.5 581.1x577.9x577.7 1 670 0.35 13.7
Umbriel UII - 11.7 584.7 1 400 0.19 14.5
Titania UIII - 35.2 788.9 1 710 0.28 13.5
Oberon UIV - 30.1 761.4 1 630 0.25 13.7
- - S/2001 U3 - - - - -
Caliban UXVI S/1997 U1 - 48 - 0.07 22.4
Stephano UXX S/1999 U2 - 10 - 0.07 24.1
Trinculo UXXI S/2001 U1 - 10 - - 25.4
Sycorax UXVII S/1997 U2 - 95 - 0.07 20.8
Prospero UXVIII S/1999 U3 - 15 - 0.07 20.8
Setebos UXIX S/1999 U1 - 15 - 0.07 23.3
- - S/2001 U2 - 12 - - -
Several recently discovered Uranian moons had been given temporary numbers but the I.A.U has
now assigned names to them as follows...
XV = S/1985 U1 = Puck. XII = S/1986 U1 = Portia. XI = S/1986 U2 = Juliet.
IX = S/1986 U3 = Cressida. XIII = S/1986 U4 = Rosalind. XIV = S/1986 U5 = Belinda.
X = S/1986 U6 = Desdemona. VI = S/1986 U7 = Cordelia. VII = S/1986 U8 = Ophelia.
VIII = S/1986 U9 = Bianca. XVI = S/1997 U1 = Caliban. XVII = S/1997 U2 = Sycorax.
XIX = S/1999 U1 = Setebos. XX = S/1999 U2 = Stephano. XVIII = S/1999 U3 = Prospero.
XXI = S/2001 U1 = Trinculo.
Source: Derek Haselden's Astronomical Charts & Tables
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