Exoplanet CatalogExoplanet K2-188 b
Radius1.35 R⊕Earth = 1
Mass2.4 M⊕Earth = 1
Orbital period1.74 d
Equilibrium temp.1,692 K≈ 1,419 °C
Distance1,457.3 ly
Discovered2018Transit
Size compared (radius, Earth = 1)
1.00
1.35
3.88
11.21
Where it sits among all planets (percentile)
12%
11%
6%
94%
56%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of K2-188 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| K2-188 b | 1.74 | 1.35 | 2.4 | 1,692 | 2018 |
| K2-188 c | 7.81 | 2.83 | 8.4 | 1,026 | 2018 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| K2-188 | – | 5,977 | 1.19 | 1.06 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.