Kepler-398 d is a terrestrial exoplanet that orbits a K-type star. Its mass is 0.615 Earths, it takes 6.8 days to complete one orbit of its star, and is 0.0618 AU from its star. Its discovery was announced in 2016.

PLANET TYPE
Terrestrial
DISCOVERY DATE
2016
MASS
0.615 Earths
PLANET RADIUS
0.88 x Earth
ORBITAL RADIUS
0.0618 AU
ORBITAL PERIOD
6.8 days
ECCENTRICITY
0.0
DETECTION METHOD