TRAPPIST-1 g
Orbiting TRAPPIST-1
TRAPPIST-1 g is an exoplanet orbiting the star TRAPPIST-1, discovered in 2017 using the Transit method. It is a Earth-sized world.
Radius
1.13
Earth radii
Mass
1.32
Earth masses
Orbital Period
12.4
days
Radius (Earth radii)
1.13
Mass (Earth masses)
1.32
Measured
Equilibrium Temperature
Unknown
Parameter source: Agol et al. 2021
Orbital Period
12.352+0.000−0.000days
Semi-Major Axis
0.0468+0.0004−0.0004au
Planet Mass (Earth masses)
1.32+0.04−0.04
Planet Mass (Jupiter masses)
0.0042+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 g
TRAPPIST-1 g orbits TRAPPIST-1 and was reported in 2017 and was detected with the Transit method.
Published measurements list a radius of 1.13 Earth radii, a mass of 1.32 Earth masses, and an orbital period of 12.35 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