1. By Donte Phelps

2. temperature -250 it is made of ice and rocks with about 15% hydrogen and a little helium the rotation is 19 earth hours 165.81 earth years Neptune has nine moons

3. Distance from the sun is 4,304,000,000 km 30.06 au

4. Diameter in kilometers is 49,532km compare to the other planets it is the eighth planet from the sun

5. Neptune is the eighth planet from the sun Is the smallest gas gaiants

6. Nine planets.org Planetary science

7.  The diameter is 49,532km

8.  Neptune is the eight planet from the sun  Is the smallest gas giant 