artist rendition
Artist's concept

TRAPPIST-1 c is a terrestrial exoplanet that orbits a M-type star. Its mass is 1.38 Earth, it takes 2.4 days to complete one orbit of its star, and is 0.01521 AU from its star. Its discovery was announced in 2016.

PLANET TYPE
Terrestrial
DISCOVERY DATE
2016
MASS
1.38 Earth
PLANET RADIUS
1.056 x Earth
ORBITAL RADIUS
0.01521 AU
ORBITAL PERIOD
2.4 days
ECCENTRICITY
0.083
DETECTION METHOD
Transit