Exoplanet CatalogExoplanet HD 191939 c
Radius3.20 R⊕Earth = 1
Mass8.0 M⊕Earth = 1
Orbital period28.58 d
Equilibrium temp.600 K≈ 327 °C
Distance174.8 ly
Discovered2020Transit
Size compared (radius, Earth = 1)
1.00
3.19
3.88
11.21
Where it sits among all planets (percentile)
55%
45%
71%
36%
16%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of HD 191939 (6)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| HD 191939 b | 8.88 | 3.41 | 10.0 | 880 | 2020 |
| HD 191939 c | 28.58 | 3.20 | 8.0 | 600 | 2020 |
| HD 191939 d | 38.35 | 3.00 | 2.8 | 540 | 2020 |
| HD 191939 e | 101.12 | 13.00 | 112.2 | 390 | 2022 |
| HD 191939 g | 284.00 | 3.74 | 13.5 | 278 | 2022 |
| HD 191939 f | 2,898.00 | 13.20 | 915.3 | 125 | 2022 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| HD 191939 | G9 V | 5,348 | 0.94 | 0.81 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.