Exoplanet CatalogExoplanet Kepler-31 d
Radius3.90 R⊕Earth = 1
Mass2,161.2 M⊕Earth = 1
Orbital period87.65 d
Equilibrium temp.484 K≈ 211 °C
Distance5,429.3 ly
Discovered2014Transit
Size compared (radius, Earth = 1)
1.00
3.88
3.90
11.21
Where it sits among all planets (percentile)
61%
94%
83%
25%
93%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-31 (3)
| 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 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-31 | – | 6,340 | 1.22 | 1.21 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.