| Albedo
|
0.51 +
|
| Apoapsis
|
3.00362e+9 km (20.078 AU, 1.86636e+9 mi) +
|
| Axial tilt
|
1.708 rad (97.86 °, 108.733 grad) +
|
| Circumference
|
120.515 AU (1.80288e+10 km, 1.12026e+10 mi) +
|
| Color
|
#99DDFF +
|
| Creation magnetic moment
|
2.05e+25 N-m/T +
|
| Date of discovery
|
13 March 1781 +
|
| Discoverer
|
William Herschel +
|
| Equatorial radius
|
25,559 km (15,881.626 mi) +
|
| Escape speed
|
21.3 km/s (76,680 km/h, 13.235 mi/s, 47,646.743 mph) +
|
| Inclination
|
0.013 rad (0.744 °, 0.827 grad) +
|
| Magnetic decay time
|
3,195 a (1,166,973.75 da) +
|
| Magnetic half life
|
2,215 a (809,028.75 da) +
|
| Mean radius
|
25,362 km (15,759.216 mi) +
|
| Mean temperature
|
76 K (-197.15 °C, -322.87 °F, 136.8 °R) +
|
| Member of
|
Planet +,
Solar system +,
Gas giant +
|
| Orbital eccentricity
|
0.0457 +
|
| Orbital speed
|
6.835 km/s (24,606.72 km/h, 4.247 mi/s, 15,289.907 mph) +
|
| Order
|
8 +
|
| Periapsis
|
2.7413e+9 km (18.324 AU, 1.70336e+9 mi) +
|
| Planet density
|
1,318 kg/m³ (1.318 g/ml, 82.28 lb/ft³) +
|
| Planet mass
|
8.6832e+25 kg (14.53 M⊕, 0.0457 M♃) +
|
| Planet surface area
|
8.084e+9 km² (3.12125e+9 mi², 15.849 A⊕, 0.13 A♃) +
|
| Polar radius
|
24,973 km (15,517.503 mi) +
|
| Present magnetic moment
|
3.0e+24 N-m/T +
|
| Primary
|
Sun +
|
| Satellite
|
Ariel +,
Miranda +,
Oberon +,
Titania +,
Umbriel +
|
| Satellites
|
27 +
|
| Semi-major axis
|
2.87246e+9 km (19.201 AU, 1.78486e+9 mi) +
|
| Sidereal day
|
-17.24 h (-0.718 da) +
|
| Sidereal period
|
30,681.615 da (84.002 a) +
|
| Surface gravity
|
8.69 m/s² (28.51 ft/s², 0.886 g) +
|
| Surface magnetic flux density
|
2.28e-5 T +
|
| Symbol
|
♅ +
|
| Synodic period
|
369.65 da (1.012 a) +
|
| Titius-Bode prediction
|
19.6 AU +
|
| Visiting mission
|
Voyager 2 +
|
| Categories |
Astronomy +,
Solar system +,
Planet +,
Uranus +
|
