Exoplanet Catalog
GJ 3998 c
GJ 3998 c is a Neptune-like exoplanet that orbits an M-type star. Its mass is 6.26 Earths, it takes 13.7 days to complete one orbit of its star, and is 0.089 AU from its star. Its discovery was announced in 2016.
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PLANET TYPE
Neptune-like
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DISCOVERY DATE
2016
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MASS
6.26 Earths
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PLANET RADIUS
0.212 x Jupiter
(estimate) |
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ORBITAL RADIUS
0.089 AU
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ORBITAL PERIOD
13.7 days
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ECCENTRICITY
0.05
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DETECTION METHOD
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