Exoplanet CatalogThe K2-18 system (2 planets)
Distance124.0 ly
Planets2
Spectral typeM2.5 V
Star Teff3,457 K
Orbital period (days)
8.96
32.94
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| K2-18 c | 8.96 | 2.65 | 7.5 | 363 | 2017 |
| K2-18 b | 32.94 | 2.37 | 8.9 | 284 | 2015 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.