| 太阳辐射流量实测值对低地球轨道卫星轨道预报的影响 |
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| 引用本文： | 蒋虎,;胡海鹰.太阳辐射流量实测值对低地球轨道卫星轨道预报的影响[J].科技咨询导报,2014(17):239-239. |
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| 作者姓名： | 蒋虎 ;胡海鹰 |
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| 作者单位： | [1]上海微小卫星工程中心,上海200050; [2]中科院上海微系统与信息技术研究所,上海200050 |
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| 摘 要： | 太阳辐射流量是影响卫星轨道预报精度的重要因素之一。在太阳活动活跃期，空间环境的变化十分频繁，太阳辐射流量的变化也是如此。这里，我们对2011年6月份的太阳辐射流量峰值及谷值两种极端情况下，分别对低地球轨道卫星轨道进行预报，结果表明：对700km高度的圆轨道卫星而言，一个月预报的位置差异可以达33 km左右，速度差异可以达0.035 km/s左右。
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| 关 键 词： | 太阳辐射流量 低地球轨道 轨道 预报 空间环境 |
Effects of solar radio flux fluctuation on orbit prediction of LEO satellite |
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| Institution: | JIANG Hu, HU haiying (1 .Shanghai Engineering Center for Microsatellites, Shanghai, 200050= 2.Shanghai Institute of Micro-system and Information Technology, Shanghai, 200050) |
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| Abstract: | “Solar radio flux is one of the key factors which may result in satellite orbit prediction errors. During the solar cycle peak, space environment varies frequently. So it with the solar radio flux. Herein, according the monitored maximum and minimum solar radio flux measurements in June, 2011, satellite orbit prediction errors are assessed. Taking 700km altitude satellite for example, the monthly orbit prediction error for position is about 33km, that for velocity is about 0.035km/s. |
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| Keywords: | Solar radiation flux Low Earth orbit Orbit prediction Space environment |
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