Description
Size:
The planet Uranus is a comparatively small planet for our solar system with an average
mass of 86.832×1024 kg and a diameter of 51,118 km. Uranus is approximately 401% the
size of the planet Earth.
Orbital Characteristics:
Uranus obits the Sun at an average speed of 6.81 km/s. At this velocity
it takes this planet 30,664 Earth days to complete its revolution of the Sun. A
day on Uranus lasts 17.24 hours.
Distance from Earth:
Uranus is the seventh closest planet to the Sun and the sixth closest planet
Earth. In its revolution of the sun, its furthest distance
from Earth is 3,159,769,980 km and its shortest distance
is 2,582,694,020 km.
Brightness:
Uranus is a relatively bright planet with a
visual magnitude of -7.19 V(1,0) and an irradiance of 3.71 W/m2.
Atmosphere:
Uranus has a relatively thin atmosphere with a density
of 1,270 kg/m3 and a mean pressure
of 120 KPa (Cloud level). It is composed of
Molecular hydrogen (82.5%), Helium (15.2%), Methane (2.3%), and other trace elements.
The average temperature of the planet Uranus is -197 degrees Celsius.
Moons:
Uranus has 27 satellites including the following: Cordelia,
Ophelia,
Bianca,
Cressida,
Desdemona,
Juliet,
Portia,
Rosalind,
Belinda,
Puck,
Miranda,
Ariel.