![[Uranus and some satellites]](/planetary/image/uranus_sats.jpg)
| Mass (1020 kg) |
Radius (km) |
Mean density (kg/m3) |
Visual geometric albedo |
|
|---|---|---|---|---|
| Major Satellites | ||||
| Miranda (UV) | 0.66 | 240 x 234.2 x 232.9 | 1,200 | 0.32 |
| Ariel (UI) | 12.9 | 581.1 x 577.9 x 577.7 | 1,590 | 0.39 |
| Umbriel (UII) | 12.2 | 584.7 | 1,460 | 0.21 |
| Titania (UIII) | 34.2 | 788.9 | 1,660 | 0.27 |
| Oberon (UIV) | 28.8 | 761.4 | 1,560 | 0.23 |
| Lesser Satellites | ||||
| Cordelia (UVI, S/1986 U7) | 20 | 0.07 | ||
| Ophelia (UVII, S/1986 U8) | 21 | 0.07 | ||
| Bianca (UVIII, S/1986 U9) | 27 | 0.07 | ||
| Cressida (UIX, S/1986 U3) | 41 | 0.07 | ||
| Desdemona (UX, S/1986 U6) | 35 | 0.08 | ||
| Juliet (UXI, S/1986 U2) | 53 | 0.08 | ||
| Portia (UXII, S/1986 U1) | 70 | 0.07 | ||
| Rosalind (UXIII, S/1986 U4) | 36 | 0.07 | ||
| Cupid (S/2003 U2) | 9 | 0.07 | ||
| Belinda (UXIV, S/1986 U5) | 45 | 0.07 | ||
| Perdita (XXV, S/1986 U10) | 13 | 0.07 | ||
| Puck (UXV, S/1985 U1) | 81 | 0.10 | ||
| Mab (S/2003 U1) | 12 | 0.10 | ||
| Francisco (XXII, S/2001 U3) | 11 | 0.04 | ||
| Caliban (UXVI, S/1997 U1) | 36 | 0.04 | ||
| S/2023 U1 | 4 | |||
| Stephano (UXX, S/1999 U2) | 16 | 0.04 | ||
| Trinculo (UXXI, S/2001 U1) | 9 | 0.04 | ||
| Sycorax (UXVII, S/1997 U2) | 75 | 0.04 | ||
| Margaret (UXXIII, S/2003 U3) | 10 | 0.04 | ||
| Prospero (UXVIII, S/1999 U3) | 25 | 0.04 | ||
| Setebos (UXIX, S/1999 U1) | 24 | 0.04 | ||
| Ferdinand (XXIV, S/2001 U2) | 10 | 0.04 | ||
| Semi-major axis (103 km) |
Semi-major axis (Uranian Radii) |
Orbital Period * (days) |
Rotation Period (days) |
Inclination (degrees) |
Eccentricity | |
|---|---|---|---|---|---|---|
| Major Satellites | ||||||
| Miranda (UV) | 129.90 | 5.082 | 1.413479 | S | 4.34 | 0.0013 |
| Ariel (UI) | 190.90 | 7.469 | 2.520379 | S | 0.04 | 0.0012 |
| Umbriel (UII) | 266.00 | 10.41 | 4.144176 | S | 0.13 | 0.0039 |
| Titania (UIII) | 436.30 | 17.07 | 8.705867 | S | 0.08 | 0.0011 |
| Oberon (UIV) | 583.50 | 22.83 | 13.463234 | S | 0.07 | 0.0014 |
| Lesser Satellites | ||||||
| Cordelia (UVI, S/1986 U7) | 49.80 | 1.948 | 0.335034 | 0.08 | 0.0003 | |
| Ophelia (UVII, S/1986 U8) | 53.80 | 2.105 | 0.376400 | 0.10 | 0.0099 | |
| Bianca (UVIII, S/1986 U9) | 59.20 | 2.316 | 0.434579 | 0.19 | 0.0009 | |
| Cressida (UIX, S/1986 U3) | 61.80 | 2.418 | 0.463570 | 0.01 | 0.0004 | |
| Desdemona (UX, S/1986 U6) | 62.70 | 2.453 | 0.473650 | 0.11 | 0.0001 | |
| Juliet (UXI, S/1986 U2) | 64.40 | 2.520 | 0.493065 | 0.07 | 0.0007 | |
| Portia (UXII, S/1986 U1) | 66.10 | 2.586 | 0.513196 | 0.06 | 0.0001 | |
| Rosalind (UXIII, S/1986 U4) | 69.90 | 2.735 | 0.558460 | 0.28 | 0.0001 | |
| Cupid (S/2003 U2) | 74.39 | 2.911 | 0.613 | 0.10 | ||
| Belinda (UXIV, S/1986 U5) | 75.30 | 2.946 | 0.623527 | 0.03 | 0.0001 | |
| Perdita (XXV, S/1986 U10) | 76.42 | 2.990 | 0.638 | 0.47 | ||
| Puck (UXV, S/1985 U1) | 86.00 | 3.365 | 0.761833 | 0.32 | 0.0001 | |
| Mab (S/2003 U1) | 97.74 | 3.824 | 0.923 | 0.13 | ||
| Francisco (XXII, S/2001 U3) | 4276. | 167.3 | 266.6R | 145.2 | 0.146 | |
| Caliban (UXVI, S/1997 U1) | 7231. | 282.9 | 579.5R | 140.9 | 0.159 | |
| S/2023 U1 | 7999. | 313.0 | 679.4R | 141.9 | 0.187 | |
| Stephano (UXX, S/1999 U2) | 8004. | 313.2 | 676.5R | 144.1 | 0.229 | |
| Trinculo (UXXI, S/2001 U1) | 8504. | 332.7 | 758.1R | 167.1 | 0.220 | |
| Sycorax (UXVII, S/1997 U2) | 12179. | 476.5 | 1283.4R | 159.42 | 0.5219 | |
| Margaret (UXXIII, S/2003 U3) | 14345. | 561.3 | 1694.8 | 56.6 | 0.661 | |
| Prospero (UXVIII, S/1999 U3) | 16256. | 636.0 | 1977.3R | 152.0 | 0.445 | |
| Setebos (UXIX, S/1999 U1) | 17418. | 681.5 | 2234.8R | 158.2 | 0.591 | |
| Ferdinand (XXIV, S/2001 U2) | 20901. | 817.8 | 2823.4R | 169.8 | 0.368 | |
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
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