About this system
The innermost, Kepler-31 b, circles it in 20.9 days; the outermost, Kepler-31 d, in 87.6 days.
Worlds of Kepler-31
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| Kepler-31 b | Neptune-like | 5.5 × Earth | 20.9 days | 781 K |
| Kepler-31 c | Neptune-like | 5.3 × Earth | 42.6 days | 615 K |
| Kepler-31 d | Sub-Neptune | 3.9 × Earth | 87.6 days | 484 K |