Solar System

Neptune

8th Planet from the Sun

Basic Data of Planet

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