Exoplanet CatalogExoplanet Kepler-666 b
Radius2.40 R⊕Earth = 1
Mass6.4 M⊕Earth = 1
Orbital period4.50 d
Equilibrium temp.1,133 K≈ 860 °C
Distance4,920.7 ly
Discovered2016Transit
Size compared (radius, Earth = 1)
1.00
2.40
3.88
11.21
Where it sits among all planets (percentile)
39%
37%
26%
77%
92%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-666 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-666 b | 4.50 | 2.40 | 6.4 | 1,133 | 2016 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-666 | – | 5,887 | 1.05 | 1.03 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.