The Kepler-1666 system (2 planets)
Distance4,498.9 ly
Planets2
Spectral type–
Star Teff6,293 K
Orbital period (days)
25.85
40.72
| 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 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.