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: 4.7x EarthTemperature: 138K
Habitability ScoreUninhabitable
17
Contributing Factors
water15
No solid surface — any water is locked in a supercritical mantle and hot ice, not oceans
geology60
Some geological activity provides slow nutrient cycling
rotation100
Optimal rotation period - balanced day/night cycle, moderate weather, and good heat distribution
Organic Chemistry20
Limited organic chemistry potential
atmosphere30
Hydrogen-rich atmosphere typical of gas giants
temperature20
Very cold - water frozen, challenging for life
magnetic Field100
Magnetic field provides radiation protection
Physical Properties
Mass
4.70x Earth (2.81e+25 kg)
Radius
1.68x Earth (10,672 km)
Surface Gravity
1.68x Earth (16.4 m/s²)
Surface Temperature
138 K (-135 °C / -210 °F)
Rotation Period
32.0 hours/day (slower than Earth)
Orbital Environment
Star Type
G-type (Yellow (Sun-like))
Distance from Star
4.03 AU (603 million km)
Orbital Period
8.09 years
Atmosphere
Deep hydrogen-helium envelope with photochemical haze
Elemental Composition
He - Helium
44.9%
H - Hydrogen
26.5%
O - Oxygen
24.5%
Surface Characteristics
No solid surface - a thick gas envelope wrapped around a small deep core (a mini-Neptune)