About this system
The innermost, Kepler-18 b, circles it in 3.5 days; the outermost, Kepler-18 d, in 14.9 days.
Worlds of Kepler-18
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| Kepler-18 b | Sub-Neptune | 2 × Earth | 3.5 days | 1,165 K |
| Kepler-18 c | Neptune-like | 5.5 × Earth | 7.64 days | 899 K |
| Kepler-18 d | Neptune-like | 0.62 × Jupiter | 14.9 days | 720 K |