Kepler-138 b is a terrestrial exoplanet that orbits an M-type star. Its mass is 0.07 Earths, it takes 10.3 days to complete one orbit of its star, and is 0.0753 AU from its star. Its discovery was announced in 2014.

PLANET TYPE
Terrestrial
DISCOVERY DATE
2014
MASS
0.07 Earths
PLANET RADIUS
0.64 x Earth
ORBITAL RADIUS
0.0753 AU
ORBITAL PERIOD
10.3 days
ECCENTRICITY
0.02
DETECTION METHOD