Canon

Neptune

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There is more information available on this subject at Neptune on the English Wikipedia.
Neptune
Astrographical

System:

Sol system[1]

Orbiting:

Sol[1]

Orbital position:

Eighth planet[1]

Moon(s):

16

Physical

Diameter:

49,528 kilometers (30,775 mi)

Gravity:

1.14 G

Length of day:

16 hours, 6 minutes, 36 seconds

Length of year:

164.79 years

Atmosphere:

Gases

Hydrogen, helium, methane

 

"I don't care if her dad was the frickin' Queen of Neptune..."
Unnamed Marine Officer[2]

Neptune, also known as Sol VIII, is a gas giant and the eighth planet in the Sol system, after Uranus.[1] Neptune has no permanent human habitats.[3] The planet was named after the Roman god of the sea.[1]

Overview

Though overlooked in favor of Jupiter, Neptune is in a unique position to slingshot ships coming in from Pluto deep into the system with its gravity well. This only works when the two planets are relatively aligned (and when slipspace travel would be deemed unreasonable), so it is still a rather rare occurrence. Compared to the barren wastes that are its closest two neighbors, Neptune is relatively bustling.[1]

Neptune's orbit has anomalies, though, which were believed to be caused by Pluto. However, Pluto was ill-suited for causing them.[1]

Gallery

List of appearances

Sources

  1. ^ a b c d e f g Halo Encyclopedia (2009 edition), Locations: The Sol System, p. 282-283 (2009); p. 294-295 (2011 edition)
  2. ^ I Love Bees, Axon Clips, Chapter 1 - Jan: "The Walk-away Girl"
  3. ^ Halo Mythos, The Interplanetary War, p. 50-51