Habitability

15/ 100

Uninhabitable

Sultofrost

by Metamorphohedron1111

Ice Giant

Magnetic FieldModerate Activity

Why is this a Ice Giant?Your planet has moderate mass (10.0x Earth) with significant water, carbon, and nitrogen content, characteristic of ice giants.

Ice giants like Uranus and Neptune have icy interiors with thick atmospheres of hydrogen and helium, but not enough to be classified as gas giants.

Classification Criteria:

✓ Mass: 10.0x Earth (5-20x range)✓ Water/Carbon/Nitrogen rich composition

Habitability ScoreUninhabitable

Contributing Factors

water60

Water present but mostly frozen

geology90

Active geology recycles nutrients and drives carbon cycle

rotation65

Slow rotation - significant day/night temperature variations, but life can adapt

Organic Chemistry84

Core organic elements (CHNO) present (tidal pools cycle wet and dry - a boost for prebiotic chemistry)

atmosphere30

Hydrogen-rich atmosphere typical of gas giants

temperature10

Frozen world - minimal potential for complex life

magnetic Field100

Magnetic field provides radiation protection

Physical Properties

Mass

10.00x Earth (5.97e+25 kg)

Radius

2.15x Earth (13,726 km)

Surface Gravity

2.15x Earth (21.1 m/s²)

Surface Temperature

64 K (-209 °C / -344 °F)

Rotation Period

2.0 hours/day (faster than Earth)

Orbital Environment

Star Type

F-type (White)

Distance from Star

163.90 AU (24.5 billion km)

Atmosphere

Hydrogen and helium with water, methane, and ammonia ices

Elemental Composition

H - Hydrogen

30.9%

C - Carbon

23.0%

He - Helium

18.0%

Surface Characteristics

Icy mantle surrounding rocky core, with hydrogen-helium atmosphere

Closest Real Exoplanet

HD 23079 c71% similar

Orbiting HD 23079

	Yours	HD 23079 c
Mass	10.0 × Earth	8.26 × Earth
Radius	2.15 × Earth	2.80 × Earth
Temperature	64.5 K	—
Starlight received	0.00 × Earth	—
Star temperature	6,750 K	5,994 K

Discovered 2025 via radial velocity · 109 light-years awaySource: NASA Exoplanet Archive

Moons

Moon 1rings2.5% - 1.9 radii

Inside the Roche limit (1.92 planet radii): torn apart into a ring system.

Moon 2stable0.010% - 9.3 radii

Small and distant: a quiet, stable companion.

Moon 3stable0.019% - 21.6 radii

Small and distant: a quiet, stable companion.

Moon 4stable0.016% - 42.3 radii

Small and distant: a quiet, stable companion.

Moon 5stable0.028% - 96.0 radii

Small and distant: a quiet, stable companion.

+4 chemistry: tidal pools cycle wet and dry - a boost for prebiotic chemistry