Neptune is an exciting planet to learn about.  Neptune is 2.795 billion miles from the sun. It is 4,498,396.44 km for its orbit distance.  It has 8 moons and some rings. Its surface is a gas that has no solid surface. The atmosphere of  Neptune is similar to all large planets in the solar system. The typical temperature is -200 degrees Celsius.  Neptune rotates every 16 earth hours while a day on earth is within 29.77 astronomical units. Neptune is cool and interesting.