PLANETARY SYSTEM
GJ 581
3 confirmed planets in our catalogue, 20.5 light-years from Earth.
Ordered by orbital period where known. Diagram is illustrative; distances and planet sizes are not to scale.
| World / host star | Type | Distance | Year length | Discovery |
|---|---|---|---|---|
| GJ 581 e ↗GJ 581 | Super-Earth | 20.5 ly | 3.148 days | 2009Radial Velocity |
| GJ 581 b ↗GJ 581 | Neptune-like | 20.5 ly | 5.369 days | 2005Radial Velocity |
| GJ 581 c ↗GJ 581 | Neptune-like | 20.5 ly | 12.921 days | 2007Radial Velocity |