Kepler-42 b is a terrestrial exoplanet that orbits a M-type star. Its mass is 0.399 Earths, it takes 1.2 days to complete one orbit of its star, and is 0.0116 AU from its star. Its discovery was announced in 2011.

PLANET TYPE
Terrestrial
DISCOVERY DATE
2011
MASS
0.399 Earths
PLANET RADIUS
0.78 x Earth
ORBITAL RADIUS
0.0116 AU
ORBITAL PERIOD
1.2 days
ECCENTRICITY
0.04
DETECTION METHOD