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Discoverer 19 : ウィキペディア英語版 | Discoverer 19
Discoverer 19, also known as RM-1, was an American satellite which was launched in 1960. It was a technology demonstration spacecraft, based on an Agena-B. The launch of Discoverer 19 occurred at 20:32 UTC on 20 December 1960. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-3-5 at the Vandenberg Air Force Base. Upon successfully reaching orbit, it was assigned the Harvard designation 1960 Tau 1. Discoverer 19 was operated in a low Earth orbit, with a perigee of , an apogee of , 83.4 degrees of inclination, and a period of 92.4 minutes. The satellite had a mass of , and was used to demonstrate technology for the Midas programme, including infrared sensors.〔 It remained in orbit until 23 January 1961,〔 when it decayed and reentered the atmosphere. ==References==
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「Discoverer 19」の詳細全文を読む
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