About this system
The innermost, Kepler-1666 b, circles it in 25.8 days; the outermost, Kepler-1666 c, in 40.7 days.
Worlds of Kepler-1666
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| Kepler-1666 b | Sub-Neptune | 2.9 × Earth | 25.8 days | 672 K |
| Kepler-1666 c | Sub-Neptune | 3.2 × Earth | 40.7 days | 578 K |