Exoplanet CatalogThe Kepler-398 system (3 planets)
Distance578.5 ly
Planets3
Spectral type–
Star Teff4,493 K
Orbital period (days)
4.08
6.83
11.42
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-398 b | 4.08 | 0.93 | 0.7 | 755 | 2014 |
| Kepler-398 d | 6.83 | 0.88 | 0.6 | 636 | 2016 |
| Kepler-398 c | 11.42 | 1.01 | 1.0 | 536 | 2014 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.