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Uranus' Moons
Before Voyager2 visited Uranus, people thought Uranus had only five moons. We now know Uranus has 15 moons. All of the newly discovered moons except 'Puck' were discoverd by Voyager during it's flyby in 1986 (Puck was spotted by Voyagers cameras in late 1985). All the moons discovered by Voyager except Puck and Cordelia are very uniform in size.
Uranus' Moons
| MOON |
DISCOVERY AND DATE |
DIAMETER (KM) |
DISTANCE FROM URANUS (KM) |
| Cordelia |
Project Voyager, 1986 |
40 |
49,700 |
| Orphelia |
Project Voyager, 1986 |
50 |
53,800 |
| Bianca |
Project Voyager, 1986 |
50 |
59,200 |
| Juliet |
Project Voyager, 1986 |
60 |
61,800 |
| Desdemona |
Project Voyager, 1986 |
60 |
62,700 |
| Rosalind |
Project Voyager, 1986 |
80 |
64,600 |
| Portia |
Project Voyager, 1986 |
80 |
66,100 |
| Cressida |
Project Voyager, 1986 |
60 |
69,900 |
| Belinda |
Project Voyager, 1986 |
60 |
75,300 |
| Puck |
Project Voyager, 1986 |
170 |
86,000 |
| Miranda |
Gerard Kuiper, 1948 |
150 |
128,282 |
| Ariel |
William Lassell, 1851 |
1160 |
190,900 |
| Umbriel |
William Lassell, 1851 |
1190 |
266,000 |
| Titania |
William Herschel, 1787 |
1610 |
436,600 |
| Oberon |
William Herschel, 1787 |
1550 |
583,400 |
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