Exoplanet CatalogThe GJ 436 planetary system
Distance (light-years)31.8
Spectral typeM2.5 V
Temperature (K)3,586
Mass (Sun = 1)0.47
| Planet | Method | Year | Orbital period (days) | Radius (Earth = 1) | Mass (Earth = 1) | Equilibrium temperature (K) |
|---|---|---|---|---|---|---|
| GJ 436 b | Radial Velocity | 2004 | 2.64 | 4.17 | 22.1 | 686 |
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) |
|---|---|---|---|
| M2.5 V | 3,586 | 0.46 | 0.47 |
About this page
GJ 436 is about 31.8 light-years from the Sun and has 1 confirmed planet(s).