大气阻力摄动对低轨微纳卫星轨道影响建模及仿真

Modeling and Simulation of the Influence of Atmospheric Drag Perturbation on the Orbit of Low Earth Orbit Micro-nano Satellite

微纳卫星的轨道位置对其在轨运行和任务执行的稳定性至关重要,长期受到大气阻力加速度摄动的影响导致卫星轨道的重要参数逐渐衰减。为了深入研究这种影响,通过分析微纳卫星在大气层中受到的阻力加速度与卫星的迎风面积、质量以及大气阻力系数之间的关系,建立了一种可靠的大气阻力摄动影响模型。采用经典的轨道六根数来描述微纳卫星的轨道位置,并运用四阶龙格库塔方法对相应的微分方程进行求解。通过对大气阻力摄动对低轨微纳卫星轨道具体影响的建模和仿真分析,为研究人员制定有效的卫星轨道控制策略提供了重要的参考依据。

The orbital position of micro-nano satellites is crucial for their stability in orbit operation and task execution.The long term influence from atmospheric drag and acceleration perturbations leads to the gradual attenuation of important parameters in satellite orbit.In order to investigate this impact in depth,a reliable atmospheric drag perturbation model is established by analyzing the relationship among the drag acceleration of micro-nano satellites in the atmosphere and the windward area,mass,and atmospheric drag coefficient of the satellite.The classical six orbital elements are used to describe the orbital position of micro-nano satellites,and the fourth order Runge-Kutta method is used to solve the corresponding differential equations.The modeling and simulation analysis of the specific impact of atmospheric drag perturbation on the orbit of low orbit micro-nano satellites provide important reference for researchers to develop effective satellite orbit control strategies.