Exoplanet · Proxima Centauri
Proxima Cen b
Orbit0.048 AU
Year11.2 days
Mass≥ 1.06 M⊕
Temperature~218 K (estimated)
It circles Proxima Centauri once every 11.2 days, 0.048 AU out: about 8 times closer than Mercury is to the Sun.
Found in 2016 by the radial velocity method, which measures the star's wobble. That gives a minimum mass, so it could be heavier.
Sources
See it in 3D →13point8 is an independent educational project. Every fact links to its source; send corrections to [email protected]. Privacy