![[Image of Uranus and some satellites]](https://webarchive.library.unt.edu/eot2008/20090119125725/http://nssdc.gsfc.nasa.gov/planetary/image/uranus_sats.jpg)
Mass Radius Mean density Visual geometric albedo
(1020 kg) (km) (kg/m3)
Major Satellites
Miranda (UV) 0.66 240 x 234.2 x 232.9 1,200 0.27
Ariel (UI) 13.5 581.1 x 577.9 x 577.7 1,670 0.35
Umbriel (UII) 11.7 584.7 1,400 0.19
Titania (UIII) 35.2 788.9 1,710 0.28
Oberon (UIV) 30.1 761.4 1,630 0.25
Lesser Satellites
Cordelia (UVI, S/1986 U7) 20 0.07
Ophelia (UVII, S/1986 U8) 21 0.07
Bianca (UVIII, S/1986 U9) 26 0.07
Cressida (UIX, S/1986 U3) 40 0.07
Desdemona (UX, S/1986 U6) 32 0.07
Juliet (UXI, S/1986 U2) 47 0.07
Portia (UXII, S/1986 U1) 68 0.07
Rosalind (UXIII, S/1986 U4) 36 0.07
Cupid (S/2003 U2) 5
Belinda (UXIV, S/1986 U5) 40 0.07
Perdita (XXV, S/1986 U10) 10
Puck (UXV, S/1985 U1) 81 0.07
Mab (S/2003 U1) 5
Francisco (XXII, S/2001 U3) 11
Caliban (UXVI, S/1997 U1) 36 0.07
Stephano (UXX, S/1999 U2) 16 0.07
Trinculo (UXXI, S/2001 U1) 9
Sycorax (UXVII, S/1997 U2) 75 0.07
Margaret (UXXIII, S/2003 U3) 10
Prospero (UXVIII, S/1999 U3) 25 0.07
Setebos (UXIX, S/1999 U1) 24 0.07
Ferdinand (XXIV, S/2001 U2) 10
Orbital Rotation
Semimajor axis Period Period Inclination Eccentricity
(103 km) (Uranian Radii) (days) (days) (degrees)
Major Satellites
Miranda (UV) 129.39 5.078 1.413479 S 4.22 0.0027
Ariel (UI) 191.02 7.481 2.520379 S 0.31 0.0034
Umbriel (UII) 266.30 10.41 4.144177 S 0.36 0.0050
Titania (UIII) 435.91 17.05 8.705872 S 0.14 0.0022
Oberon (UIV) 583.52 22.79 13.463239 S 0.10 0.0008
Lesser Satellites
Cordelia (UVI, S/1986 U7) 49.77 1.947 0.335034 0.08 0.0003
Ophelia (UVII, S/1986 U8) 53.79 2.104 0.376400 0.10 0.0099
Bianca (UVIII, S/1986 U9) 59.17 2.315 0.434579 0.19 0.0009
Cressida (UIX, S/1986 U3) 61.78 2.417 0.463570 0.01 0.0004
Desdemona (UX, S/1986 U6) 62.68 2.452 0.473650 0.11 0.0001
Juliet (UXI, S/1986 U2) 64.35 2.518 0.493065 0.07 0.0007
Portia (UXII, S/1986 U1) 66.09 2.586 0.513196 0.06 0.0000
Rosalind (UXIII, S/1986 U4) 69.94 2.736 0.558460 0.28 0.0001
Cupid (S/2003 U2) 74.8 2.93 0.618
Belinda (UXIV, S/1986 U5) 75.26 2.944 0.623527 0.03 0.0001
Perdita (XXV, S/1986 U10) 76.4 2.99 0.638
Puck (UXV, S/1985 U1) 86.01 3.365 0.761833 0.32 0.0001
Mab (S/2003 U1) 97.7 3.82 0.923
Francisco (XXII, S/2001 U3) 4276. 167.3 266.6R 145.2 0.146
Caliban (UXVI, S/1997 U1) 7230. 282.9 579.5R 140.88 0.159
Stephano (UXX, S/1999 U2) 8002. 313.1 676.5R 144.06 0.230
Trinculo (UXXI, S/2001 U1) 8571. 335.3 758.1R 166.33 0.208
Sycorax (UXVII, S/1997 U2) 12179. 476.5 1283.4R 159.40 0.522
Margaret (UXXIII, S/2003 U3) 14345. 561.3 1694.8 56.6 0.661
Prospero (UXVIII, S/1999 U3) 16418. 642.4 1992.8R 151.91 0.443
Setebos (UXIX, S/1999 U1) 17459. 683.1 2202.3R 158.17 0.588
Ferdinand (XXIV, S/2001 U2) 20900. 817.7 2823.4R 169.8 0.368
R indicates retrograde motion
New Uranian Satellite Discovered (2002)
New Uranian Satellite Discovered (1999)
Two new Uranian Satellites Discovered (1997)
Uranus' Known Satellites - Carnegie Institution, DTM
Uranus Fact Sheet Uranus Home Page Notes on the Factsheets Directory to other Planetary Fact Sheets![[NASA Logo]](https://webarchive.library.unt.edu/eot2008/20090119125725im_/http://nssdc.gsfc.nasa.gov/logo/nasa_logo.gif){kind=logo}
Author/Curator: