About this system
The innermost, Kepler-121 b, circles it in 3.18 days; the outermost, Kepler-121 c, in 41 days.
Worlds of Kepler-121
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| Kepler-121 b | Sub-Neptune | 2.3 × Earth | 3.18 days | 997 K |
| Kepler-121 c | Sub-Neptune | 2.3 × Earth | 41 days | 425 K |