ROXs 42Bb

ROxs 42Bb is an enormous gas giant exoplanet. It is a companion to the binary M star ROXS 42B. Its mass is 9 Jupiters, it takes 1968.3 years to complete one orbit of its star, and is 157.0 AU from its star. Its discovery was announced in 2013.

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Category:Exoplanets