artist rendition
Artist's concept

Proxima Cen b is a unknown exoplanet that orbits a M-type star. Its mass is at least 1.27 Earth, it takes 11.2 days to complete one orbit of its star, and is 0.0485 AU from its star. Its discovery was announced in 2016.

PLANET TYPE
Unknown
DISCOVERY DATE
2016
MASS
at least 1.27 Earth
PLANET RADIUS
Unknown
ORBITAL RADIUS
0.0485 AU
ORBITAL PERIOD
11.2 days
ECCENTRICITY
0.35
DETECTION METHOD
Radial Velocity