Exoplanet CatalogThe Kepler-18 system (3 planets)
Distance1,412.4 ly
Planets3
Spectral type–
Star Teff5,345 K
Orbital period (days)
3.50
7.64
14.86
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-18 b | 3.50 | 2.00 | 6.9 | 1,165 | 2011 |
| Kepler-18 c | 7.64 | 5.49 | 17.3 | 899 | 2011 |
| Kepler-18 d | 14.86 | 6.98 | 16.4 | 720 | 2011 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.