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- URANUS
- DISTANCE FROM THE SUN:
- MEAN 1,785,000,000 mi. (2,872,700,000 km.)
- SHORTEST 1,700,000,000 mi. (2,740,000,000 km.)
- GREATEST 1,870,000,000 mi. (3,009,000,000 km.)
- CLOSEST APPROACH TO EARTH 1,700,000,000 mi. (2,740,000,000 km.)
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- LENGTH OF YEAR (EARTH-DAYS) 30,685
- AVERAGE ORBITAL SPEED 4 mi. per sec. (6 km. per sec.)
- DIAMETER AT EQUATOR 29,000 mi. (46,700 km.)
- ROATION PERIOD 10 hrs. 49 min.
- TILT OF AXIS (DEGREE) 98
- AVERAGE TEMPERATURE Unknown; probably lower than -240°F.
- (-151° C.)
- ATMOSPHERE:
- PRESSURE (?)
- (?)
- GASES HYDROGEN, HELIUM, METHANE, AMMONIA
- MASS (EARTH=1) 14.6
- DENSITY (WATER=1) 1.7
- GRAVITY (EARTH=1) 0.96
- NUMBER OF SATELLITES 5
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- URANUS"S SATELLITES
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- MEAN SIDEREAL VISUAL
- NAME DISTANCE PERIOD MAGNITUDE RADIUS DISCOVERY
- 10³ mi. days hr min (miles)
- MIRANDA 81 1 09 56R 16.5 93 Kuiper 1948
- ARIEL 120 2 12 29R 14.4 250 Lassell 1851
- UMBRIEL 166 4 03 38R 15.3 175 Lassell 1851
- TITANIA 272 8 16 56R 14.0 300 Herschel 1787
- OBERON 364 13 11 07R 14.2 250 Herschel 1787
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