Pollux b

Pollux b, formally named Thestias, is an exoplanet candidate orbiting the starPollux approximately 34 light-years away in the constellation of Gemini (the Twins). It is also designated β Geminorum b (Latinized to Beta Geminorum b, abbreviated β Gem b) or HD 62509 b. If this planet exists, it has a minimum mass of about twice the mass of Jupiter, and it moves around Pollux in 1.61 years at a distance of 1.64 AU in a nearly circular orbit. However, its existence has been disputed.