Neptune is the eighth and final planet of the solar system (excluding dwarf planets), which means it is fourth and final gas giant of the solar system. It also means it is the farthest planet from the Sun, at a whooping 30.1 AU! Despite this fact, Neptune has a lower mass than Jupiter, at about 1.024 * 10^26 kg. One Neptune day is equal to 16 hours and 6 minutes, however, one year is a WHOOPING 165 Earth years! Yes, you heard that right. Almost 2 centuries! Neptune was founded by Urbain Le Verrier, in 1846.
Physical Features
Neptune, as seen, is shown as a dark blue planet, with a fluid mix of water and ammonia and methane.
Core
Neptune's core is rocky, with silicate and metals, as well as a mantle that consists of water, ices, and methane.
Neptune Profile
Mass: 1.024 * 10^26 kg
Orbital Period: 165 years
Rotational Period: 0D 16H 6M
Sidereal Period: 164.8 years
Synodic Period: 1.008 Years
Escape Velocity: 23.5 km/s^2
Bond Albedo: 29%
Geometric Albedo: ---
Density: 1.64 g/cm^3
Moons: 14
Gravity:11.15 m/s^2
Neptune Discoverers
Urbain Le Verrier (Made first observation)
Random Facts About Neptune
Neptune's moon, Triton, got discovered only 17 days after Neptune was discovered.
Neptune takes 1.65 centuries to complete one orbit around the Sun.
Neptune has a storm similar to Jupiter's red spot, which is called the Great Dark Spot.
Neptune has a ring system, although just like Jupiter and Uranus, the rings are very faint.