Magnetic Field Extreme Activity
Why is this a Ice Giant? Your planet has moderate mass (66.0x 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.
✓ Mass: 66.0x Earth (5-20x range) ✓ Water/Carbon/Nitrogen rich composition
Habitability Score Uninhabitable
Contributing Factors water 15
No solid surface — any water is locked in a supercritical mantle and hot ice, not oceans geology 40
Extreme volcanic activity may be hazardous rotation 65
Slow rotation - significant day/night temperature variations, but life can adapt Organic Chemistry 29
Carbon and hydrogen present - organic chemistry possible - chlorine-laced environment attacks organic molecules (tidal pools cycle wet and dry - a boost for prebiotic chemistry) atmosphere 30
Hydrogen-rich atmosphere typical of gas giants temperature 10
Frozen world - minimal potential for complex life magnetic Field 100
Magnetic field provides radiation protection Physical Properties Mass
66.00x Earth (3.94e+26 kg) Radius
4.04x Earth (25,747 km) This planet: 4.04× Earth radius Earth: 1× (baseline)
Surface Gravity
4.04x Earth (39.6 m/s²) Surface Temperature
57 K (-216 °C / -357 °F) Rotation Period
6.0 hours/day (faster than Earth) This planet: 6 h/day Earth: 24 h/day Orbital Environment Distance from Star
163.90 AU (24.5 billion km) Orbital Period
1,840 years Atmosphere Hydrogen and helium with water, methane, and ammonia ices
Surface Characteristics No solid surface - a deep volatile envelope over a supercritical water mantle and hot-ice interior Moons
Moon 1 rings 0.013% - 2.0 radii
Inside the synchronous orbit: it spiraled inward and was torn apart at the Roche limit (Phobos's fate).
Moon 2 stable 0.010% - 9.3 radii
Small and distant: a quiet, stable companion.
Moon 3 stable 0.019% - 21.6 radii
Small and distant: a quiet, stable companion.
Moon 4 stable 0.016% - 42.3 radii
Small and distant: a quiet, stable companion.
Moon 5 stable 0.028% - 96.0 radii
Small and distant: a quiet, stable companion.
+4 chemistry: tidal pools cycle wet and dry - a boost for prebiotic chemistry