artist rendition
Artist's concept

TRAPPIST-1 g is a terrestrial exoplanet that orbits a M-type star. Its mass is 1.34 Earth, it takes 12.4 days to complete one orbit of its star, and is 0.0451 AU from its star. Its discovery was announced in 2017.

PLANET TYPE
Terrestrial
DISCOVERY DATE
2017
MASS
1.34 Earth
PLANET RADIUS
1.127 x Earth
ORBITAL RADIUS
0.0451 AU
ORBITAL PERIOD
12.4 days
ECCENTRICITY
0.061
DETECTION METHOD
Transit