The Kepler-31 system (3 planets)
Distance5,429.3 ly
Planets3
Spectral type–
Star Teff6,340 K
Orbital period (days)
20.86
42.63
87.65
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-31 b | 20.86 | 5.50 | 36.7 | 781 | 2011 |
| Kepler-31 c | 42.63 | 5.30 | 1,493.7 | 615 | 2011 |
| Kepler-31 d | 87.65 | 3.90 | 2,161.2 | 484 | 2014 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.