GJ 581

GJ 581 is an M3.0 V star 20.5 light years away with 3 known planets. The first was found in 2005 and the latest in 2009.

Open in 3D

Planets

PlanetOrbital periodDistance from starRadius (Earths)Mass (Earths)FoundMethod
GJ 581 e3.148 days0.02799 AU2.482009Radial Velocity
GJ 581 b5.369 days0.0399 AU20.52005Radial Velocity
GJ 581 c12.92 days0.0718 AU6.812007Radial Velocity

Star

Data from the NASA Exoplanet Archive, as of October 3, 2026. In the 3D view sizes and distances are compressed and every orbit is drawn in the same plane. Where each planet sits along its orbit is made up.