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The Swifter subroutine package provided here is designed to integrate a set of mutually gravitationally interacting massive bodies together with a gro

计算天体希尔半径的matlab小函数，详细使用见代码备注！

历元J2000（即2000年1月1日12时0分0秒）太阳系行星轨道根数，整理自http://ssd.jpl.nasa.gov/?horizons