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HD 65216 b

HD 65216 b
太陽系外行星 太陽系外行星列表
母恆星
母恆星 HD 65216
星座 船底座
赤经 (α) 07h 53m 41.3223s
赤纬 (δ) –63° 38′ 50.363″
距離116.0 ly (35.59 pc)
光譜類型 G5V
軌道參數
半長軸 (a) 1.374±0.082 AU
軌道離心率 (e) 0.41±0.06
公轉週期 (P) 613±11 d (1.68 y)
角距 (θ) 40 mas
近星點時間 (T0) 2,450,762±25 JD
半振幅 (K) 33.7±1.1 m/s
物理性质
最小质量(m sin i)1.22±0.19 MJ
發現
發現時間 2003年6月30日
發現者 米歇爾·麥耶斯特凡·烏德里
多米尼克·奈夫等人
發現方法 徑向速度
發現地點  美国
發表論文 已發表論文

HD 65216 b是一顆位於船底座的系外行星,距離地球約116光年,母恆星是 HD 65216。該行星是由日內瓦系外行星搜尋計劃於2003年以徑向速度法發現。

行星狀態

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該行星的質量下限是木星的1.2倍,真實質量可能會稍高。該行星的軌道離心率很高,軌道半長軸稍低於火星和太陽的距離,但它的近拱點只有約0.8天文單位,遠拱點則接近2天文單位。

參考資料

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外部連結

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HD 65216 b
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