Exoplanet CatalogThe HD 20781 planetary system
Distance (light-years)117.3
Spectral typeK0 V
Temperature (K)5,256
Mass (Sun = 1)0.70
| Planet | Method | Year | Orbital period (days) | Radius (Earth = 1) | Mass (Earth = 1) | Equilibrium temperature (K) |
|---|---|---|---|---|---|---|
| HD 20781 b | Radial Velocity | 2019 | 5.31 | 1.21 | 1.9 | 1,006 |
| HD 20781 c | Radial Velocity | 2019 | 13.89 | 2.17 | 5.3 | 730 |
| HD 20781 d | Radial Velocity | 2019 | 29.16 | 3.25 | 10.6 | 570 |
| HD 20781 e | Radial Velocity | 2019 | 85.51 | 3.83 | 14.0 | 398 |
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) |
|---|---|---|---|
| K0 V | 5,256 | 0.83 | 0.70 |
About this page
HD 20781 is about 117.3 light-years from the Sun and has 4 confirmed planet(s).