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| cargo_mass = | cargo_mass_press = | cargo_mass_unpress = | cargo_mass_fuel = | cargo_mass_gas = | cargo_mass_water = | previous_mission = Kounotori 4 | next_mission = Kounotori 6 }} Kounotori 5, also known as HTV-5, is the fifth flight of the H-II Transfer Vehicle, an uncrewed cargo spacecraft launched to resupply the International Space Station. It was launched on August 19, 2015. ==Specifications== Major changes of Kounotori 5 from previous Kounotori are: * Solar panels were reduced to 49 panels, down from HTV-1 and Kounotori 2's 57, Kounotori 3's 56, and Kounotori 4's 55, since the analysis of the data from previous missions showed that fewer panels were sufficient. A sensor-mount outlet was added since Kounotori 4 at a place where previously occupied by a solar panel, and on Kounotori 5 it is used to attach an environment measurement equipment (Kounotori Advanced Space Environment Research equipment (KASPER))〔(【引用サイトリンク】title=Demonstration Experiment of Space Debris Sensor on HTV-5 )〕 * Improvement of loading the Cargo Transfer Bag allows the increased capacity (maximum 242 CTBs compared to previous 230), and more late access cargo (max 92 CTBs compared to previous 80).〔 When approaching to ISS, previous missions were held at Approach Initiation (AI) point at 5 km behind the ISS for system checkout, but Kounotori 5 was changed to continue the approach without holding, to simplify the operation.〔 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「Kounotori 5」の詳細全文を読む スポンサード リンク
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