SpazeCold gas giant, 31 light years away, GJ 3512
GJ 3512 b
A cold gas giant 31 light years away that circles its star every 203.1 days. Found in 2019.
- Distance
- 30.9 light years
- Year
- 203.1 days
- Size
- 1.3 × Jupiter
- Temperature
- -176 °C
- Mass
- 146.5 × Earth
- Found
- 2019, Calar Alto Observatory
Can we live on GJ 3512 b?
Air: H₂ 84%, He 14%. Not breathable: you’d need a suit and your own oxygen.
Gravity: 0.72 g. Someone who weighs 70 kg on Earth would weigh 50 kg there.
Temperature: -176 °C on average.
Clouds: Methane and ammonia ices; blue from methane.
Atmosphere
- H₂ 84%
- He 14%
- CH₄ 2%
Not measured yet: modelled from its size and temperature