The GJ 338 B planetary system
Distance (light-years)20.7
Spectral typeM0 V
Temperature (K)4,014
Mass (Sun = 1)0.64
| Planet | Method | Year | Orbital period (days) | Radius (Earth = 1) | Mass (Earth = 1) | Equilibrium temperature (K) |
|---|---|---|---|---|---|---|
| GJ 338 B b | Radial Velocity | 2020 | 24.42 | 3.25 | 10.6 | 391 |
Values are the archive’s composite parameters and may combine several publications; mass may be a minimum mass (M·sin i). “–” means no value in the archive.
The star
| Spectral type | Temperature (K) | Radius (Sun = 1) | Mass (Sun = 1) |
|---|---|---|---|
| M0 V | 4,014 | 0.58 | 0.64 |
About this page
GJ 338 B is about 20.7 light-years from the Sun and has 1 confirmed planet(s).