SpazeTemperate rocky planet, 41 light years away, TRAPPIST-1
TRAPPIST-1 d
A temperate rocky planet 41 light years away that circles its star every 4 days. Found in 2016.
- Distance
- 40.5 light years
- Year
- 4 days
- Size
- 0.8 × Earth
- Temperature
- 13 °C
- Mass
- 0.4 × Earth
- Found
- 2016, La Silla Observatory
Can we live on TRAPPIST-1 d?
Air: N₂, CO₂. Not breathable: you’d need a suit and your own oxygen.
Gravity: 0.63 g. Someone who weighs 70 kg on Earth would weigh 44 kg there.
Temperature: 13 °C on average.
Ground: Rock, possibly with water; atmosphere not yet measured.
Atmosphere
- N₂
- CO₂
- H₂O
Not measured yet: modelled from its size and temperature