Exoplanet CatalogThe K2-398 system (2 planets)
Distance1,979.7 ly
Planets2
Spectral typeG2
Star Teff5,946 K
Orbital period (days)
6.39
18.79
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| K2-398 b | 6.39 | 2.27 | 5.8 | – | 2022 |
| K2-398 c | 18.79 | 5.10 | 22.8 | – | 2022 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.