Icy rocky planet, 41 light years away, TRAPPIST-1
TRAPPIST-1 h
A icy rocky planet 41 light years away that circles its star every 18.8 days. Found in 2017.
- Distance
- 40.5 light years
- Year
- 18.8 days
- Size
- 0.8 × Earth
- Temperature
- -101 °C
- Mass
- 0.3 × Earth
- Found
- 2017, Multiple Observatories
Can we live on TRAPPIST-1 h?
Air: N₂, CH₄. Not breathable: you’d need a suit and your own oxygen.
Gravity: 0.57 g. Someone who weighs 70 kg on Earth would weigh 40 kg there.
Temperature: -101 °C on average.
Ground: Rock under ice.
Atmosphere
- N₂
- CH₄
Not measured yet: modelled from its size and temperature