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HD 188015 b is an extrasolar planet announced by the California and Carnegie Planet Search team in 2005.〔 Like majority of known planets, it was discovered using the radial velocity method. The planet has a minimum mass about quarter greater than Jupiter. It orbits the star in a slightly eccentric orbit in a mean distance 20% further than Earth orbits the Sun. Stability analysis reveals that the orbits of Earth-sized planets in the Trojan points of HD 188015 b would be stable for long periods of time.〔: HD 93083, HD 17051, HD 28185, HD 27442, HD 188015, HD 99109, HD 221287〕 ==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 188015 b」の詳細全文を読む スポンサード リンク
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