SpazeSub-Neptune, 73 light years away, TOI-270
TOI-270 d
A sub-neptune 73 light years away that circles its star every 11.4 days. Found in 2019.
- Distance
- 73.3 light years
- Year
- 11.4 days
- Size
- 2 × Earth
- Temperature
- 110 °C
- Mass
- 4.2 × Earth
- Found
- 2019, Transiting Exoplanet Survey Satellite
Can we live on TOI-270 d?
Air: H₂, CH₄. Not breathable: you’d need a suit and your own oxygen.
Gravity: 1.05 g. Someone who weighs 70 kg on Earth would weigh 74 kg there.
Temperature: 110 °C on average.
Ground: Hot, steamy, metal-rich envelope.
Atmosphere
- H₂
- CH₄
- CO₂
- H₂O
Measured by JWST