List of Uranus' moons

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This is a list of the 27 moons of Uranus. They are listed by how long they take to orbit (go around once) Uranus. They are all named after characters created by William Shakespeare and Alexander Pope.

Notes: * Negative orbital periods indicate a retrograde orbit around Uranus (opposite to the planet's rotation).
Order Name Image Mean diameter (km) Mass (kg) Orbital period (day) Discovery date
1 Uranus VI Cordelia 42 ± 6 5.0×1016? 0.335034 1986
2 Uranus VII Ophelia 46 ± 8 5.1×1016? 0.376400 1986
3 Uranus VIII Bianca 54 ± 4 9.2×1016? 0.434579 1986
4 Uranus IX Cressida 82 ± 4 3.4×1017? 0.463570 1986
5 Uranus X Desdemona 68 ± 8 2.3×1017? 0.473650 1986
6 Uranus XI Juliet 106 ± 8 8.2×1017? 0.493065 1986
7 Uranus XII Portia 140 ± 8 1.7×1018? 0.513196 1986
8 Uranus XIII Rosalind 72 ± 12 2.5×1017? 0.558460 1986
9 Uranus XXVII Cupid ~ 18 3.8×1015? 0.618 2003
10 Uranus XIV Belinda 90 ± 16 4.9×1017? 0.623527 1986
11 Uranus XXV Perdita 30 ± 6 1.8×1016? 0.638 1986
12 Uranus XV Puck
Puck.png
162 ± 4 2.9×1018? 0.761833 1985
13 Uranus XXVI Mab ~ 25 1.0×1016? 0.923 2003
14 Uranus V Miranda
Miranda.jpg
471.6 ± 1.4 (6.6 ± 0.7)×1019 1.413479 1948
15 Uranus I Ariel
Ariel (moon).jpg
1157.8 ± 1.2 (1.35 ± 0.12)×1021 2.520379 1851
16 Uranus II Umbriel
Umbriel (moon).jpg
1169.4 ± 5.6 (1.17 ± 0.13)×1021 4.144177 1851
17 Uranus III Titania
Titania (moon) color cropped.jpg
1577.8 ± 3.6 (3.53 ± 0.09)×1021 8.705872 1787
18 Uranus IV Oberon
Voyager 2 picture of Oberon.jpg
1522.8 ± 5.2 (3.01 ± 0.07)×1021 13.463239 1787
19 Uranus XXII Francisco ~ 12 1.3×1015? -267.12* 2001
20 Uranus XVI Caliban ~ 98 7.3×1017? -579.39* 1997
21 Uranus XX Stephano ~ 20 6×1015? -677.48* 1999
22 Uranus XXI Trinculo ~ 10 7.5×1014? -748.83* 2001
23 Uranus XVII Sycorax ~ 190 5.4×1018? -1285.62* 1997
24 Uranus XXIII Margaret ~ 11 1.3×1015? 1654.32 2003
25 Uranus XVIII Prospero ~ 30 2.1×1016? -1962.95* 1999
26 Uranus XIX Setebos ~ 30 2.1×1016? -2196.35* 1999
27 Uranus XXIV Ferdinand ~ 12 1.3×1015? -2805.51* 2001