Magnetic Field Extreme Activity
Why is this a Ice Giant? Your planet has moderate mass (9534.0x 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: 9534.0x 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 30
Very slow rotation - severe temperature swings between eternal day and night sides Organic Chemistry 84
Core organic elements (CHNO) present (tidal pools cycle wet and dry - a boost for prebiotic chemistry) atmosphere 30
Hydrogen-rich atmosphere typical of gas giants temperature 20
Very cold - water frozen, challenging for life magnetic Field 100
Magnetic field provides radiation protection Physical Properties Mass
9534.00x Earth (5.69e+28 kg) Radius
21.20x Earth (135,093 km) This planet: 21.20× Earth radius Earth: 1× (baseline)
Surface Gravity
21.20x Earth (208.0 m/s²) Surface Temperature
114 K (-159 °C / -254 °F) Rotation Period
39.0 hours/day (slower than Earth) This planet: 39 h/day Earth: 24 h/day Orbital Environment Star Type
BH-type (Black Hole) Distance from Star
118.40 AU (17.7 billion km) Orbital Period
407.4 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 Closest Real Exoplanet Orbiting TOI-2537 Yours TOI-2537 c Mass 9,534 × Earth 2,300 × Earth Radius 32.0 × Earth 12.7 × Earth Density (composition) 1.60 g/cm³ 6.19 g/cm³ Temperature 114.3 K 123.0 K Starlight received 0.03 × Earth 0.04 × Earth Star temperature — 4,870 K
Matched on physical properties only — no confirmed exoplanet orbits a black hole. Discovered 2024 via radial velocity · 603 light-years away Source: NASA Exoplanet Archive Browse all 5,568 real exoplanets Learn more about exoplanets Moons
Moon 1 rings 0.010% - 1.8 radii
Inside the synchronous orbit: it spiraled inward and was torn apart at the Roche limit (Phobos's fate).
Moon 2 rings 0.010% - 2.7 radii
Inside the synchronous orbit: it spiraled inward and was torn apart at the Roche limit (Phobos's fate).
Moon 3 rings 0.010% - 4.1 radii
Inside the synchronous orbit: it spiraled inward and was torn apart at the Roche limit (Phobos's fate).
Moon 4 rings 0.010% - 6.3 radii
Inside the synchronous orbit: it spiraled inward and was torn apart at the Roche limit (Phobos's fate).
Moon 5 stable 0.010% - 9.6 radii
Small and distant: a quiet, stable companion.
+4 chemistry: tidal pools cycle wet and dry - a boost for prebiotic chemistry