Uranus Facts
| Discoverer: | Sir William Herschel (1781) |
| Spacecraft Encounter(s): | Voyager 2 (1986) |
| Mean distance from Sun: | 19.19 AU (2.871 billion km/1.784 billion mi) |
| Length of year: | 84.01 Earth years |
| Rotation period: | 17.24 hours |
| Mean orbital velocity: | 6.81 km/s (4.2 m/s) |
| Inclination of axis: | 97.92° |
| Diameter: | 51,118 km (31,765 mi) |
| Number of Observed Satellites: | >20 |
Comparisons with Earth:
| Diameter: | 4.0 x Earth's |
| Mean Distance from Sun: | 19.2 x Earth's |
| Mass: | 14.5 x Earth's |
| Density: | 0.22 x Earth's |
Uranus Facts ||
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