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Almanac > Planets

Uranus

Uranus is one of the 8 planets of our solar system. It is the seventh closest planet to the Sun and the sixth closest planet to Earth.
 

 



Uranus

 
 
Fact Sheet

Mass

  86.832×1024 kg

  1454% (Ratio to Earth)

Diameter

  51,118 km

  401% (Ratio to Earth)

Average Density

  1,270 kg/m3

  23% (Ratio to Earth)

Distance From Sun

  2,870,990,000 km (Average)

  3,007,665,000 km (Maximum)

  2,734,799,000 km (Minimum)

Distance From Earth

  3,159,769,980 km (Maximum)

  2,582,694,020 km (Minimum)

Gravity

  7.87 m/s2

Surface Gravity

  80.30% (Ratio to Earth)

Escape Velocity

  21.3 km/s

  190.30% (Ratio to Earth)

Visual Magnitude

  -7.19 V(1,0)

Orbital Velocity

  6.81 km/s (Average)

  7.11 km/s (Maximum)

  6.49 km/s (Minimum)

Orbit Inclination

  0.772 degrees

Orbit Eccentricity

  0.0457

Average Surface Pressure

  120 KPa (Cloud level)

Temperature

  -197 degrees Celsius (Average)

Axis Tilt

  97.86 degrees

Aphelion

  3,003.62×106

Perihelion

  2,741.30×106

Synodic Period

  369.66 days

 
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.