Kepler-138 b is a terrestrial exoplanet that orbits a K-type star. Its mass is 0.066 Earths, it takes 10.3 days to complete one orbit of its star, and is 0.076 AU from its star. Its discovery was announced in 2014.

PLANET TYPE
Terrestrial
DISCOVERY DATE
2014
MASS
0.066 Earths
PLANET RADIUS
0.522 x Earth
ORBITAL RADIUS
0.076 AU
ORBITAL PERIOD
10.3 days
ECCENTRICITY
0.01
DETECTION METHOD