About this system
The innermost, Kepler-221 b, circles it in 2.8 days; the outermost, Kepler-221 e, in 18.4 days.
Worlds of Kepler-221
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| Kepler-221 b | Super-Earth | 1.7 × Earth | 2.8 days | 1,090 K |
| Kepler-221 c | Sub-Neptune | 2.9 × Earth | 5.69 days | 860 K |
| Kepler-221 d | Sub-Neptune | 2.7 × Earth | 10 days | 712 K |
| Kepler-221 e | Sub-Neptune | 2.6 × Earth | 18.4 days | 582 K |