Proxima Centauri c

Proxima Centauri c
Schematic: Orbits of Proxima Centauri d, Proxima Centauri b and Proxima Centauri c around Proxima Centauri
Discovery
Discovered byDamasso et al.
Discovery siteHARPS
Discovery dateJanuary 2020
Radial velocity
Orbital characteristics
1.489±0.049 AU
Eccentricity0.04±0.01
1928±20 d
Inclination133±1
331±1
−4±4
2456202±21
Semi-amplitude1.1±0.2
StarProxima Centauri
Physical characteristics
Mass7±1 ME
Temperature39 K (−234.2 °C; −389.5 °F)

    Proxima Centauri c (also called Proxima c or Alpha Centauri Cc) is a controversial exoplanet candidate, claimed to be orbiting the red dwarf star Proxima Centauri, which is the closest star to the Sun and part of a triple star system.