GJ 238 b
Orbiting GJ 238
GJ 238 b is an exoplanet orbiting the star GJ 238, discovered in 2024 using the Transit method. It is a Earth-sized world.
Radius
0.57
Earth radii
Mass (est.)
0.13
Earth masses
Orbital Period
1.7
days
Distance
15.2
parsecs
Equilibrium Temp
758
K
Radius (Earth radii)
0.57
Mass (Earth masses)
0.13
Estimated
Equilibrium Temperature
758 K
Orbital Period
1.74 days
Distance from Earth
15.2 pc (~50 ly)
Spectral Type
M2.5 V
Temperature
3485 K
Mass (Solar)
0.42 M☉
Radius (Solar)
0.43 R☉
Luminosity
-1.62 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
98.4549°, -58.5250°
Discovery Method
Transit
Discovery Year
2024
Source ID: GJ 238 b
GJ 238 b orbits GJ 238 and was reported in 2024 and was detected with the Transit method.
Published measurements list a radius of 0.57 Earth radii, a mass of 0.13 Earth masses (estimated), an orbital period of 1.74 days, and an equilibrium temperature near 758 K.
Catalog data places the system at about 15.2 parsecs from Earth, a host star classified as M2.5 V, and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open GJ 238