TRAPPIST-1 e
Orbiting TRAPPIST-1
TRAPPIST-1 e is an exoplanet orbiting the star TRAPPIST-1, discovered in 2017 using the Transit method. It is a Earth-sized world.
Radius
0.92
Earth radii
Mass
0.69
Earth masses
Orbital Period
6.1
days
Radius (Earth radii)
0.92
Mass (Earth masses)
0.69
Measured
Equilibrium Temperature
Unknown
Parameter source: Agol et al. 2021
Orbital Period
6.101+0.000−0.000days
Semi-Major Axis
0.0293+0.0025−0.0025au
Planet Mass (Earth masses)
0.69+0.02−0.02
Planet Mass (Jupiter masses)
0.0022+0.0001−0.0001
Distance from Earth
Unknown
Spectral Type
Unknown
Temperature
2566 K
Mass (Solar)
0.09 M☉
Radius (Solar)
0.12 R☉
Luminosity
-3.26 log L☉
Planets in System
7
Stars in System
1
Coordinates (RA, Dec)
346.6264°, -5.0435°
Discovery Method
Transit
Discovery Year
2017
Source ID: TRAPPIST-1 e
TRAPPIST-1 e orbits TRAPPIST-1 and was reported in 2017 and was detected with the Transit method.
Published measurements list a radius of 0.92 Earth radii, a mass of 0.69 Earth masses, and an orbital period of 6.1 days.
Catalog data places 7 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open TRAPPIST-1More planets in this system