Proxima Centauri b is a super Earth exoplanet that orbits an M-type star. Its mass is 1.07 Earths, it takes 11.2 days to complete one orbit of its star, and is 0.04856 AU from its star. Its discovery was announced in 2016.

PLANET TYPE
Super Earth
DISCOVERY DATE
2016
MASS
1.07 Earths
PLANET RADIUS
1.03 x Earth
(estimate)
ORBITAL RADIUS
0.04856 AU
ORBITAL PERIOD
11.2 days
ECCENTRICITY
0.02
DETECTION METHOD