概述
2003年2月6日,夏威夷大學的天文學家斯科特·謝潑德等發現這個小衛星。木衛四十五直徑約4千米,離木星平均距離約20,979,105千米,公轉一圈需要601.402天,軌道傾斜155°,離心率為0.1375。
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