Planetary data for Uranus

Planetary data for Uranus

Table
Planetary data for Uranus
mean distance from Sun 2,870,990,000 km (19.2 AU)
eccentricity of orbit 0.0461
inclination of orbit to ecliptic 0.774°
Uranian year (sidereal period of revolution) 84.01 Earth years
visual magnitude at mean opposition 5.5
mean synodic period* 369.66 Earth days
mean orbital velocity 6.81 km/s
equatorial radius** 25,559 km
polar radius** 24,973 km
mass 8.684 x 1025 kg
mean density 1.285 g/cm3
gravity** 869 cm/s2
escape velocity** 21.3 km/s
rotation period (magnetic field) 17 hr 14 min (retrograde)
inclination of equator to orbit 97.86°
magnetic field strength at equator 0.23 gauss
tilt angle of magnetic axis 58.6°
offset of magnetic axis 0.31 of Uranus's radius
number of known moons 27
planetary ring system 10 known rings
*Time required for the planet to return to the same position in the sky relative to the Sun as seen from Earth.
**Calculated for the altitude at which 1 bar of atmospheric pressure is exerted.
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Universalium. 2010.

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