Habitability
60/ 100
Habitable

Saturn

0

Gas Dwarf

Magnetic FieldLow Activity
Why is this a Gas Dwarf?Your planet has an unusual composition that doesn't fit standard classifications, or lacks the elements needed for complex geological processes.
Barren worlds can form from uncommon element combinations or may be remnants of larger bodies that lost their atmospheres and volatile materials.
Classification Criteria:
Composition doesn't match standard planet typesMass: 10.0x EarthTemperature: 281K
Habitability ScoreHabitable
60
Contributing Factors
water50
Limited water content
geology70
Some geological activity provides slow nutrient cycling (tidal flexing sustains geologic activity)
rotation10
Near tidally locked - one hemisphere perpetually scorched, other frozen, narrow habitable twilight zone only
Organic Chemistry80
Core organic elements (CHNO) present
atmosphere12
Hydrogen-rich atmosphere typical of gas giants (partially stripped by slow rotation)
temperature100
Optimal temperature range for liquid water and 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)
This planet: 2.15× Earth radiusEarth: 1× (baseline)
Surface Gravity
2.15x Earth (21.1 m/s²)
Surface Temperature
281 K (8 °C / 46 °F)
Rotation Period
11.0 hours/day (faster than Earth)
This planet: 11 h/dayEarth: 24 h/day

Orbital Environment

Star Type
G-type (Yellow (Sun-like))
Distance from Star
1.00 AU (150 million km)

Atmosphere

Deep hydrogen-helium envelope with photochemical haze

Elemental Composition

H - Hydrogen
55.0%
He - Helium
30.0%
C - Carbon
6.0%

Surface Characteristics

No solid surface - a thick gas envelope wrapped around a small deep core (a mini-Neptune)

Closest Real Exoplanet

Kepler-22 b97% similar
Orbiting Kepler-22
YoursKepler-22 b
Mass10.0 × Earth9.10 × Earth
Radius2.15 × Earth2.10 × Earth
Temperature281.0 K279.0 K
Starlight received1.00 × Earth1.01 × Earth
Star temperature5,600 K5,596 K
Discovered 2011 via transit · 636 light-years awaySource: NASA Exoplanet Archive
MoonsLife may exist on a moon
Moon 1rings4.4% - 1.9 radii

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

Moon 2recedingOcean world - life0.10% - 5.1 radii

Outside the synchronous orbit: slowly receding, like Luna (~cm per year).

Tidal braking locked the planet to its moon: one face forever moonward.

Tidal heat sustains a subsurface ocean over a rock seafloor: a strong candidate for life (Europa-like, 90/100).

+10 geology: tidal flexing sustains geologic activity