Exoplanet CatalogThe GJ 251 planetary system
Distance (light-years)18.2
Spectral typeM3.0 V
Temperature (K)3,342
Mass (Sun = 1)0.35
| Planet | Method | Year | Orbital period (days) | Radius (Earth = 1) | Mass (Earth = 1) | Equilibrium temperature (K) |
|---|---|---|---|---|---|---|
| GJ 251 b | Radial Velocity | 2020 | 14.24 | 1.79 | 3.8 | 336 |
| GJ 251 c | Radial Velocity | 2025 | 53.65 | 1.80 | 3.9 | 216 |
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) |
|---|---|---|---|
| M3.0 V | 3,342 | 0.36 | 0.35 |
About this page
GJ 251 is about 18.2 light-years from the Sun and has 2 confirmed planet(s).