Proxima b
exoplanet · rocky, probably tidally locked
4.2 light-years from Earth
An Earth-mass planet 7.5 million km from its star, closer than Mercury is to the Sun, yet only warm because Proxima is so dim.
- orbit 11.2 days · 0.049 AU from Proxima
- tidally locked: one hemisphere always faces its star
- kind
- planet of another star
- size
- 13,600 km across
- orbits
- Proxima Centauri
More planets of other stars
- TRAPPIST-1e exoplanet
- 55 Cancri e lava world
- 51 Pegasi b the first planet found around a Sun-like star
- HD 189733 b the deep blue planet
- K2-18 b sub-Neptune in the habitable zone
- HR 8799 b young giant planet
- Kepler-16b circumbinary planet
- KELT-9b the hottest planet known