As of early 2026, research has identified one confirmed planet and two strong candidates orbiting Proxima Centauri. Proxima Centauri b - NASA Science

: Its surface temperature is about 3,000 K, much cooler than the Sun’s 5,778 K. 2. The Planetary System

"Proxima" most commonly refers to , the closest known star to our sun, though it is also the name of a leading German fusion energy company . 1. Proxima Centauri: Our Nearest Stellar Neighbor