About this system
The innermost, Proxima Cen d, circles it in 5.12 days; the outermost, Proxima Cen b, in 11.2 days. One of them lies in the habitable zone: Proxima Cen b.
Worlds of Proxima Cen
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| Proxima Cen d | Earth-sized | 0.69 × Earth | 5.12 days | 282 K |
| Proxima Cen b | Earth-sized | 1 × Earth | 11.2 days | 218 K |