Exoplanet CatalogExoplanet Kepler-166 d
Radius1.73 R⊕Earth = 1
Mass3.6 M⊕Earth = 1
Orbital period1.55 d
Equilibrium temp.1,313 K≈ 1,040 °C
Distance1,968.4 ly
Discovered2016Transit
Size compared (radius, Earth = 1)
1.00
1.73
3.88
11.21
Where it sits among all planets (percentile)
22%
21%
5%
84%
65%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-166 (3)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-166 d | 1.55 | 1.73 | 3.6 | 1,313 | 2016 |
| Kepler-166 b | 7.65 | 2.27 | 5.8 | 772 | 2014 |
| Kepler-166 c | 34.26 | 2.38 | 6.3 | 468 | 2014 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-166 | – | 5,350 | 0.83 | 0.88 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.