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美国天空盒子公司于2013和2014年分别发射两颗微型对地观测实验卫星“天空卫星”(SkySat-1、2),实验成功后,2016年发射5颗实用卫星(SkySat-3~7),计划在2017年9月发射6颗卫星,最后在2018和2019年发射13颗,总共24颗卫星,组成星座。该星座具有“两高两新一轻一低”六大特点:高空间分辨率,全色分辨率0.8~0.9米,多谱2米;高时间分辨
In 2013 and 2014, the United States Skybox Company launched two miniaturized Earth observation satellite “SkySat-1 and 2” respectively. After successful experiments, it launched 5 practical satellites (SkySat-3 ~ 7 ), It is planned to launch 6 satellites in September 2017 and finally launch 13 in 2018 and 2019, a total of 24 satellites to form a constellation. The constellation has six features: high spatial resolution, full color resolution of 0.8 to 0.9 meters, multi-spectrum 2 meters; high time resolution