Exoplanet CatalogThe Kepler-399 system (3 planets)
Distance2,415.3 ly
Planets3
Spectral type–
Star Teff5,502 K
Orbital period (days)
14.43
26.68
58.03
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-399 b | 14.43 | 0.96 | 0.8 | 773 | 2014 |
| Kepler-399 c | 26.68 | 1.43 | 2.6 | 630 | 2014 |
| Kepler-399 d | 58.03 | 1.89 | 4.2 | 486 | 2014 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.