Ice Giant in the Sol system
Planet Neptune.png
Neptune : Sol VIII
ClassificationIce Giant
AffiliationUnited Empire of Earth
LocationUEE space
Sol system
└─ Orbiting Sol (star)
Equatorial Radius24,764 km (Real)
2,476.4 km (Ingame Scale)
Atmospheric Pressure>987 Earths (varies)
Axial Tilt28.32°
Density1.638 g/cm³
Tidally LockedNo
Orbital Period60,182 SED
Orbital Speed5.43 km/s
Orbital Radius30.11 AU (Real)
3.011 AU (Ingame Scale)
Orbital Eccentricity0.009456
Aphelion30.33 AU (Real)
3.033 AU (Ingame Scale)
Perihelion29.81 AU (Real)
2.981 AU (Ingame Scale)
View on Ark Starmap

Neptune (Sol VIII) is an ice giant whose differential rotation contributes to it having the strongest winds in the Sol System.[1]

Atmospheric Composition

Neptune's atmosphere is primarily composed of Hydrogen with some Helium.

Chemical Formula Full Name Amount
H2 Hydrogen 80%
He Helium 19%
CH4 Methane 1.5%
HD Hydrogen Deuteride 0.019%
C2H6</sub Ethane 0.00015%
NH3 Ammonia Ice Crystals
H2O Water Ice Crystals
NH4SH Ammonium Hydrosulfide Ice Crystals
4CH4·23H2O Methane Hydrate Ice Crystals

See also


  1. Neptune on ARK Starmap. Starmap
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