artist rendition
Artist's concept

GJ 581 c is a Super Earth exoplanet that orbits an unknown-type star. Its mass is at least 5.5Earths, it takes 12.9 days to complete one orbit of its star, and is 0.0721 AU from its star. Its discovery was announced in 2007.

PLANET TYPE
Super-earth
DISCOVERY DATE
2007
MASS
at least 5.5Earths
PLANET RADIUS
Unknown
ORBITAL RADIUS
0.0721 AU
ORBITAL PERIOD
12.9 days
ECCENTRICITY
0.0
DETECTION METHOD
Radial Velocity