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SGP4

SGP4

SGP4

SGP4

1

It is proved that the SGP4 model meets the accuracy of low-orbit spacecraft orbit prediction with high computing speed .

仿真表明：SGP4 模型运算速度快，满足低轨道航天器轨道预报精度的要求。

2

The SGP4 orbital forecast model is given . And the initial selection of two-line element is analyzed at the same time.

给出了 SGP4 解析轨道模型的具体形式，分析了双行元初值的选取方法。

3

outside the navigation area , the real-time track information is provided by the SGP4-based model .

在导航区域外，由基于 SGP4 模型的轨道预报系统提供实时轨道预报信息。

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