About this system
The innermost, GJ 581 e, circles it in 3.15 days; the outermost, GJ 581 c, in 12.9 days.
Worlds of GJ 581
| Name | Type | Size | A year | Temperature |
|---|---|---|---|---|
| GJ 581 e | Super-Earth | 1.4 × Earth | 3.15 days | 554 K |
| GJ 581 b | Neptune-like | 4.8 × Earth | 5.37 days | 464 K |
| GJ 581 c | Sub-Neptune | 2.5 × Earth | 12.9 days | 346 K |