About this system
The innermost, K2-398 b, circles it in 6.39 days; the outermost, K2-398 c, in 18.8 days.
Worlds of K2-398
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| K2-398 b | Sub-Neptune | 2.3 × Earth | 6.39 days | 1,258 K |
| K2-398 c | Neptune-like | 5.1 × Earth | 18.8 days | 878 K |