Neptune

8th Planet from the Sun

Relative Size 3.88
Relative Mass 17.1
Surface Temperature -200 °C
Atmospheric Composition 79% Hydrogen / 18% Helium / 3% Methane
Satellites 14
Ring Systems Thin
AU from Sun 30 AU
Km from Sun 4,497,000,000 km
Diameter 49,500 km
Rotation (Day) 19h, 10m
Orbit (Year) 164 years
Tilt of Axis 29°
Gravity (Earth =1) 1.125
Sunlight Strength 0.1% of Earth’s.
Relative Size & Mass: Earth = 1

 

 

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Neptune Nine Planets