Exoplanet CatalogExoplanet K2-228 b
Radius1.21 R⊕Earth = 1
Mass1.9 M⊕Earth = 1
Orbital period2.70 d
Equilibrium temp.914 K≈ 641 °C
Distance422.2 ly
Discovered2018Transit
Size compared (radius, Earth = 1)
1.00
1.21
3.88
11.21
Where it sits among all planets (percentile)
8%
8%
12%
63%
30%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of K2-228 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| K2-228 b | 2.70 | 1.21 | 1.9 | 914 | 2018 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| K2-228 | – | 4,715 | 0.65 | 0.71 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.