Magnetic Field High Activity
Why is this a Venus Like? Your planet has a thick CO₂ atmosphere creating a runaway greenhouse effect, with surface temperatures of 569K. Venus-like planets experience runaway greenhouse warming where CO₂ traps heat, evaporating oceans and creating hostile conditions despite being in the habitable zone.
✓ Temperature: 569K (500-800K range) ✓ CO₂-rich atmosphere creating greenhouse effect
Habitability Score Uninhabitable
Contributing Factors water 50
Water present but likely as steam geology 90
Active geology recycles nutrients and drives carbon cycle rotation 65
Slow rotation - significant day/night temperature variations, but life can adapt Organic Chemistry 80
Core organic elements (CHNO) present atmosphere 35
Dense CO₂ atmosphere with extreme greenhouse effect temperature 15
Extremely hot - hostile to known life forms magnetic Field 100
Magnetic field provides radiation protection — but the black hole's accretion disk bathes this orbit in hard X-ray radiation Physical Properties Mass
3.90x Earth (2.33e+25 kg) Radius
1.57x Earth (10,028 km) This planet: 1.57× Earth radius Earth: 1× (baseline)
Surface Gravity
1.57x Earth (15.4 m/s²) Surface Temperature
569 K (296 °C / 565 °F) Rotation Period
66.0 hours/day (slower than Earth) This planet: 66 h/day Earth: 24 h/day Orbital Environment Star Type
BH-type (Black Hole) Distance from Star
9.31 AU (1.39 billion km) Atmosphere Dense CO₂ atmosphere with sulfuric acid clouds, extreme greenhouse effect
Surface Characteristics Rocky surface with volcanic plains, extreme pressure and heat Closest Real Exoplanet Orbiting GJ 15 A Yours GJ 15 A b Mass 3.90 × Earth 3.03 × Earth Radius 1.47 × Earth 1.55 × Earth Density (composition) 6.73 g/cm³ 4.48 g/cm³ Temperature 569.3 K 550.0 K Starlight received 4.61 × Earth 4.27 × Earth Star temperature — 3,607 K
Matched on physical properties only — no confirmed exoplanet orbits a black hole. Discovered 2014 via radial velocity · 12 light-years away Source: NASA Exoplanet Archive Browse all 5,568 real exoplanets Learn more about exoplanets Moons
Moon 1 rings 0.32% - 2.0 radii
Inside the Roche limit (2.80 planet radii): torn apart into a ring system.