Exoplanet CatalogThe HD 191939 planetary system
Distance (light-years)174.8
Spectral typeG9 V
Temperature (K)5,348
Mass (Sun = 1)0.81
| Planet | Method | Year | Orbital period (days) | Radius (Earth = 1) | Mass (Earth = 1) | Equilibrium temperature (K) |
|---|---|---|---|---|---|---|
| HD 191939 b | Transit | 2020 | 8.88 | 3.41 | 10.0 | 880 |
| HD 191939 c | Transit | 2020 | 28.58 | 3.20 | 8.0 | 600 |
| HD 191939 d | Transit | 2020 | 38.35 | 3.00 | 2.8 | 540 |
| HD 191939 e | Radial Velocity | 2022 | 101.12 | 13.00 | 112.2 | 390 |
| HD 191939 g | Radial Velocity | 2022 | 284.00 | 3.74 | 13.5 | 278 |
| HD 191939 f | Radial Velocity | 2022 | 2,898.00 | 13.20 | 915.3 | 125 |
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) |
|---|---|---|---|
| G9 V | 5,348 | 0.94 | 0.81 |
About this page
HD 191939 is about 174.8 light-years from the Sun and has 6 confirmed planet(s).