artist rendition
Artist's concept

TRAPPIST-1 b is a terrestrial exoplanet that orbits a M-type star. Its mass is Unknown, it takes 1.5 days to complete one orbit of its star, and is 0.01111 AU from its star. Its discovery was announced in 2016.

PLANET TYPE
Terrestrial
DISCOVERY DATE
2016
MASS
Unknown
PLANET RADIUS
1.086 x Earth
ORBITAL RADIUS
0.01111 AU
ORBITAL PERIOD
1.5 days
ECCENTRICITY
0.081
DETECTION METHOD
Transit