Exoplanet Catalog
HD 90156 b
HD 90156 b is a Neptune-like exoplanet that orbits a G-type star. Its mass is 17.98 Earths, it takes 49.8 days to complete one orbit of its star, and is 0.25 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
17.98 Earths
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PLANET RADIUS
0.395 x Jupiter
(estimate) |
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ORBITAL RADIUS
0.25 AU
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ORBITAL PERIOD
49.8 days
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ECCENTRICITY
0.31
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DETECTION METHOD
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