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Uranus from Voyager 2
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Uranus Data and Statistics
Discovered by William Herschel
Date of discovery = AD 1781
Mass (kg) = 8.686e+25
Mass (Earth = 1) = 1,4535e+01
Equatorial radius = 25.559 Km
Equatorial radius (Earth = 1) = 4,0074
Mean density (gm/cm^3) = 1,29
Mean distance from the Sun = 2.870.990.000 Km
Mean distance from the Sun (Earth = 1) = 19,1914
Rotational period (hours) = - 17,9
Orbital period (years) = 84,01
Mean orbital velocity = 6,81 Km per second
Tilt of axis = 97,86°
Orbital inclination = 0,774°
Equatorial surface gravity (m/sec^2) = 7,77
Equatorial escape velocity = 21,30 Km per second
Magnitude (Vo) = 5,52
Mean cloud temperature = - 193°C
Atmospheric pressure (bars) = 1,2
Atmospheric composition: Hydrogen 83%; Helium 15%; Methane 2%
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(Dettagli)
