The GJ 143 planetary system
Distance (light-years)53.2
Spectral typeK4.5
Temperature (K)4,640
Mass (Sun = 1)0.73
| Planet | Method | Year | Orbital period (days) | Radius (Earth = 1) | Mass (Earth = 1) | Equilibrium temperature (K) |
|---|---|---|---|---|---|---|
| HD 21749 c | Transit | 2019 | 7.79 | 0.89 | 3.7 | 701 |
| GJ 143 b | Transit | 2019 | 35.61 | 2.61 | 22.7 | 422 |
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) |
|---|---|---|---|
| K4.5 | 4,640 | 0.70 | 0.73 |
About this page
GJ 143 is about 53.2 light-years from the Sun and has 2 confirmed planet(s).