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Temporary Satellite Capture of Short-Period Jupiter Family Comets from the Perspective of Dynamical Systems
The Journal of the Astronautical Sciences ( IF 1.8 ) Pub Date : 2020-08-23 , DOI: 10.1007/BF03546223
K. C. Howell , B. G. Marchand , M. W. Lo

The Temporary Satellite Capture (TSC) of short-period comets, such as Oterma and Helin-Roman-Crockett, by Jupiter has intrigued astronomers for many years. A widely accepted approach to study TSC is to numerically integrate the equations of motion for the n -body problem using a wide range of initial conditions obtained from the heliocentric two- body problem; then, a search ensues for instances when the Joviocentric energy becomes negative. More recently, a preliminary analysis involving the application of Dynamical Systems Theory (DST) to the Sun-Jupiter-comet three- body problem has provided significant insight into the motion in the Sun-Jupiter system and offered a simple model to account for the TSC phenomena observed in Jupiter family short-period comets. The accuracy of this model can be immediately verified since ephemeris data is available for comet trajectories.

中文翻译:

动力系统视角下短周期木星家族彗星的临时卫星捕获

木星的短周期彗星(如Oterma和Helin-Roman-Crockett)的临时卫星捕获(TSC)吸引了许多天文学家。研究TSC的一种广泛接受的方法是使用从日心中心体问题获得的各种初始条件,对 n 体问题 的运动方程进行数值积分 。然后,搜索会在Joviocentric能量变为负数的情况下发生。最近,初步分析涉及将动力系统理论(DST)应用于太阳木星彗星 三号, 身体问题为太阳木星系统的运动提供了重要的见识,并为解释在木星家族短周期彗星中观测到的TSC现象提供了一个简单的模型。由于星历数据可用于彗星轨迹,因此可以立即验证该模型的准确性。
更新日期:2020-08-23
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