Exoplanet

GJ 338 B b

Orbiting GJ 338 B

Overview

GJ 338 B b is an exoplanet orbiting the star GJ 338 B, discovered in 2020 using the Radial Velocity method.

Key Measurements

Orbital Period

24.4

days

0.1d10,000d

Distance

6.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

Unknown

Equilibrium Temperature

Unknown

Orbital Period

24.42 days

Distance from Earth

6.3 pc (~21 ly)

Spectral Type

M0 V

Temperature

4014 K

Mass (Solar)

0.64 M☉

Radius (Solar)

0.58 R☉

Luminosity

-1.10 log L☉

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

138.5917°, 52.6835°

Discovery Method

Radial Velocity

Discovery Year

2020

Data Sources

Source ID: GJ 338 B b

System Context

GJ 338 B b orbits GJ 338 B and was reported in 2020 and was detected with the Radial Velocity method.

Published measurements list an orbital period of 24.42 days.

Catalog data places the system at about 6.3 parsecs from Earth, a host star classified as M0 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 338 B