Exoplanet CatalogExoplanet Kepler-1666 c
Radius3.24 R⊕Earth = 1
Mass10.5 M⊕Earth = 1
Orbital period40.72 d
Equilibrium temp.578 K≈ 305 °C
Distance4,498.9 ly
Discovered2020Transit
Size compared (radius, Earth = 1)
1.00
3.24
3.88
11.21
Where it sits among all planets (percentile)
56%
53%
76%
34%
91%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-1666 (2)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-1666 b | 25.85 | 2.88 | 8.7 | 672 | 2020 |
| Kepler-1666 c | 40.72 | 3.24 | 10.5 | 578 | 2020 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-1666 | – | 6,293 | 1.15 | 1.23 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.