Exoplanet CatalogExoplanet Kepler-66 b
Radius2.80 R⊕Earth = 1
Mass8.2 M⊕Earth = 1
Orbital period17.82 d
Equilibrium temp.699 K≈ 426 °C
Distance3,923.5 ly
Discovered2013Transit
Size compared (radius, Earth = 1)
1.00
2.80
3.88
11.21
Where it sits among all planets (percentile)
49%
46%
63%
45%
88%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-66 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-66 b | 17.82 | 2.80 | 8.2 | 699 | 2013 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-66 | G0 V | 5,962 | 0.97 | 1.04 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.