TRAPPIST-1 h is a terrestrial exoplanet that orbits a M-type star. Its mass is 0.35 Earths, it takes 18.8 days to complete one orbit of its star, and is 0.063 AU from its star. Its discovery was announced in 2017.

PLANET TYPE
Terrestrial
DISCOVERY DATE
2017
MASS
0.35 Earths
PLANET RADIUS
0.752 x Earth
ORBITAL RADIUS
0.063 AU
ORBITAL PERIOD
18.8 days
ECCENTRICITY
0.0
DETECTION METHOD