Exoplanet Catalog
GJ 581 c
GJ 581 c is a Neptune-like exoplanet that orbits an M-type star. Its mass is 5.5 Earths, 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.
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PLANET TYPE
Neptune-like
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DISCOVERY DATE
2007
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MASS
5.5 Earths
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PLANET RADIUS
2.21 x Earth
(estimate) |
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ORBITAL RADIUS
0.0721 AU
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ORBITAL PERIOD
12.9 days
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ECCENTRICITY
0.0
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DETECTION METHOD
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