One fact: Neptune isn't actually that blue than you see on typical images. Recent studies
confirmed that Neptune's true color resembles more like Uranus' color.
Diameter: ~ 49528 km
Moons: 16 confirmed moons, notable one is: Triton
Type: Ice giant planet
Axial tilt: ~ 28 degrees
Day: ~ 16 hours
Full orbit: 59860 Earth days
Average surface temperature: -200° Celsius
Name Origin (English): Neptune is from Latin for god of the sea.
Origin: Formed about 4.5 billion years ago from gas and dust particles.
Atmosphere: Composed of 80% hydrogen, 19% helium, and 2% methane.