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针对借力飞行轨道初始设计阶段的任务需求,提出一种改进的Tour-Map借力飞行图形设计方法,用于分析借力效果,确定借力方案和设计参数初值.在圆锥曲线拼接假设基础上,建立了借力飞行超越速度矢量和借力天体位置、速度的几何模型,推导了借力后日心轨道要素的解析表达式,并将分析结果绘制成经纬度坐标的Tour-Map轨道要素等高线图,图中综合了借力飞行后大量可行的日心转移轨道信息,为分析借力飞行的作用提供了形象的参考.将其应用在木星借力太阳高纬度探测轨道设计中,证明了方法的有效性和实用性.
Aiming at the mission requirements of the initial design stage of leaping flight orbit, this paper proposes an improved Tour-Map leapfrog flight graphic design method, which can be used to analyze the leveraging effect and determine the leveraging scheme and the initial design parameters.On the basis of conic spline assumptions , Established a geometric model of leaping over the speed vector and leveraging the position and velocity of the celestial body, and derived the analytic expressions of the orbital elements after leveraging, and drawn the analysis results into the Tour-Map orbital elements of latitude and longitude coordinates The high-line map, which combines a large number of available orbital transfer orbit information after leapfrogging, provides an image reference for analyzing the role of leapfrogging.It is used in the design of high-latitude orbit detection of Jupiter leveraging the sun to prove The effectiveness and practicality of the method.