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北京时间2014年12月3日12时22分,日本H2A火箭搭载“隼鸟”2号小行星探测器,从日本鹿儿岛县种子岛航天中心发射升空。随后,“隼鸟”2号成功进入预定轨道。“隼鸟”2号是世界首个从小行星回收样本的“隼鸟”号探测器的后续探测器,其探测目标为距离地球约3亿千米的小行星“1999JU3”。其与“隼鸟”号相比,进行了多项改进,动力源“离子发动机”推动力增强了25%,通
Beijing time at 12:22 on December 3, 2014, Japan’s H2A rocket equipped with “Hayabusa ” No.2 asteroid detector, launched from the Tanegashima Space Center in Kagoshima Prefecture in Japan. Subsequently, “Hayabusa ” 2 successfully entered the scheduled orbit. “Hayabusa” 2 is the world’s first follow-up detector of the “Hayabusa” detector that samples from asteroids, with the detection target of about 300 million kilometers from the earth asteroid “1999JU3” . Compared with “Hayabusa ” number, made a number of improvements, power source “ion engine ” impetus increased by 25%, through