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据报道,美空军于2017年8月25日使用“米诺陶”-4火箭发射了传感器卫星(ORS-5),将其送入赤道上空600km左右的轨道,以执行地球同步轨道目标扫描探测任务。美军现在使用1颗SBSS卫星和4颗GSSAP卫星对地球同步轨道目标进行探测。SBSS在低轨扫描高轨,GSSAP可对目标进行巡视探测、特征描述。前者在轨寿命至2017年(可能延长),后者探测范围小,不能了解整个地球同步轨道内的活动。SBSS后继星座预计将在2021年发射,所以在此之前可能出现太空态势感知能力缺
According to reports, the U.S. Air Force fired a sensor satellite (ORS-5) on August 25, 2017 using the “Minotota” -4 rocket, sending it to orbit about 600 km above the equator to implement the geosynchronous orbit target Scanning mission. The United States now uses one SBSS satellite and four GSSAP satellites to detect geosynchronous orbiting targets. SBSS scanning low orbit at high altitudes, GSSAP can inspect the target, characterization. The former lived on orbit from 2017 (possibly prolonging), the latter has a limited detection range and can not understand the activities in the entire geosynchronous orbit. The SBSS successor constellation is expected to be launched in 2021, so there may be a lack of space situational awareness