Warm gas giant, 255 light years away, HD 17156
HD 17156 b
A warm gas giant 255 light years away that circles its star every 21.2 days. Found in 2007.
- Distance
- 255 light years
- Year
- 21.2 days
- Size
- 1.1 × Jupiter
- Temperature
- 615 °C
- Mass
- 3.3 × Jupiter
- Found
- 2007, Subaru Telescope
Can we live on HD 17156 b?
Air: H₂ 85%, He 14%. Not breathable: you’d need a suit and your own oxygen.
Gravity: 6.89 g. Someone who weighs 70 kg on Earth would weigh 482 kg there.
Temperature: 615 °C on average.
Clouds: Sulphide and salt clouds, hazy.
Atmosphere
- H₂ 85%
- He 14%
- H₂O
- CH₄
- CO
Not measured yet: modelled from its size and temperature