Make your own free website on Tripod.com

Neptune's Make-up

Home
Basic Facts
Neptune's Make-up
Neptune's Rings
The Great Dark Spot

What Makes up Neptune?

 

  • Neptune's atmosphere is 85% Hydrogen, 13% Helium, 2% Methane
  • Mass is 1.024e+26 kg
  • Radius 24,746 km
  • Distance from the Earth 4,504,300,000 km
  • Rotational period is 16.11 hours
  • Orbits the Sun every 164.79 years
  • The Average cloud temperature is -193 to -153C

      neptune_gds_small.jpg