♆ Neptune

STATISTICS

ORBITAL RADIUS

4.5 billion km from the Sun (30 times the distance of the Earth from the Sun)

ORBITAL PERIOD

165 Earth years

DIAMETER

49,000 km (3.9 times the diameter of the Earth)

ROTATIONAL PERIOD

16 Earth hours

MASS

17 times the mass of the Earth

MOONS

Neptune is known to have (at least) 14 moons.

The largest moon is Triton, which has a diameter of 2,700 km (0.8 times the diameter of the Moon) and orbits at a distance of 350,000 km.