19 June 2017
China's Tianzhou-1 cargo spacecraft completed its second docking with Tiangong-2 space lab on 19 June at 2:55 p.m. Beijing time, after flying around the space lab. Tianzhou-1 separated from Tiangong-2 in the morning of 19 June and then flew around the space lab, according to the China Manned Space Engineering Office.
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