Exoplanet Catalog
HD 40307 c
HD 40307 c is a Neptune-like exoplanet that orbits a K-type star. Its mass is 6.6 Earths, it takes 9.6 days to complete one orbit of its star, and is 0.0799 AU from its star. Its discovery was announced in 2009.
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PLANET TYPE
Neptune-like
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DISCOVERY DATE
2009
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MASS
6.6 Earths
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PLANET RADIUS
0.219 x Jupiter
(estimate) |
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ORBITAL RADIUS
0.0799 AU
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ORBITAL PERIOD
9.6 days
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ECCENTRICITY
0.06
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DETECTION METHOD
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