The variation equation of the satellite orbit elements under both J2 and drag perturbations was derived based on the Gauss perturbation equation.
基于高斯摄动方程，推导了卫星在同时考虑J2和大气摄动情况下的轨道根数变化方程。
2
On the basis of the principle of atmospheric dragperturbation this paper describes two methods: numerical method and combining both of analytical and numerical method.
根据大气阻力摄动的基本原理，给出两种摄动计算方法，即半分析半数伍方法和数值积分方法。
3
Atmospheric drag is the main perturbation force on a low earth orbit satellite and is closely related to the variation of high atmospheric density.