NEW WORLDS ATLAS
HD 40307 b
HD 40307 b is a gas giant exoplanet that orbits a K-type star. Its mass is at least 4Earths, it takes 4.3 days to complete one orbit of its star, and is 0.0468 AU from its star. Its discovery was announced in 2009.
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PLANET TYPE
Gas Giant
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DISCOVERY DATE
2009
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MASS
at least 4Earths
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PLANET RADIUS
Unknown
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ORBITAL RADIUS
0.0468 AU
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ORBITAL PERIOD
4.3 days
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ECCENTRICITY
0.2
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DETECTION METHOD
Radial Velocity
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