Exoplanet CatalogExoplanet K2-198 b
Radius4.19 R⊕Earth = 1
Mass16.3 M⊕Earth = 1
Orbital period17.04 d
Equilibrium temp.716 K≈ 443 °C
Distance360.6 ly
Discovered2018Transit
Size compared (radius, Earth = 1)
1.00
3.88
4.19
11.21
Where it sits among all planets (percentile)
62%
60%
62%
46%
27%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of K2-198 (3)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| K2-198 c | 3.36 | 1.42 | 2.6 | 1,230 | 2019 |
| K2-198 d | 7.45 | 2.44 | 6.5 | 943 | 2019 |
| K2-198 b | 17.04 | 4.19 | 16.3 | 716 | 2018 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| K2-198 | – | 5,213 | 0.76 | 0.80 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.