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Kepler-138 e is a terrestrial exoplanet that orbits an M-type star. Its mass is 0.43 Earths, it takes 38.2 days to complete one orbit of its star, and is 0.1803 AU from its star. Its discovery was announced in 2022.

PLANET TYPE
Terrestrial
DISCOVERY DATE
2022
MASS
0.43 Earths
PLANET RADIUS
0.797 x Earth
(estimate)
ORBITAL RADIUS
0.1803 AU
ORBITAL PERIOD
38.2 days
ECCENTRICITY
0.11
DETECTION METHOD
Transit Timing Variations