Exoplanet

TRAPPIST-1 d

Orbiting TRAPPIST-1

Overview

TRAPPIST-1 d is an exoplanet orbiting the star TRAPPIST-1, discovered in 2016 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

0.79

Earth radii

015 R⊕

Mass

0.39

Earth masses

0500 M⊕

Orbital Period

4.0

days

0.1d10,000d

Radius (Earth radii)

0.79

Mass (Earth masses)

0.39

Measured

Equilibrium Temperature

Unknown

Orbital Period

4.05 days

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

2016

Data Sources

Source ID: TRAPPIST-1 d

System Context

TRAPPIST-1 d orbits TRAPPIST-1 and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 0.79 Earth radii, a mass of 0.39 Earth masses, and an orbital period of 4.05 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-1