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HD 128311 b is an exoplanet〔 located approximately 54 light-years away in the constellation of Boötes. This planet orbits in an eccentric orbit about 1.1 AU from its star (HD 128311). The planet has minimum mass 2.19 Jupiter masses.〔 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「HD 128311 b」の詳細全文を読む スポンサード リンク
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