In this paper,a high-fidelity satellite orbit propagator,namely the Satellite Precise Orbit Propagator(SPOP),is developed for the Earth orbiting satellites.The SPOP numerically integrates the perturbed two-body differ...In this paper,a high-fidelity satellite orbit propagator,namely the Satellite Precise Orbit Propagator(SPOP),is developed for the Earth orbiting satellites.The SPOP numerically integrates the perturbed two-body differential equations of motion in the Earth Mean Equator and Equinox of 2000(EME2000/J2000)reference frame using Cowell’s formulation and explicit Runge–Kutta class of integrator with the fixed time step size.Various perturbing forces are included in the numerical propagator such as a simple two-body problem up to J_(6)terms for the academic purpose,full force gravitational field model using the spherical harmonics for the high precision orbit propagation in view of the commercial use,atmospheric drag,third-body gravity,solar radiation pressure,Earth radiation pressure due to albedo,and relativistic effect correction.In addition,SPOP also has the feature to predict the satellite ephemeris and orbit products using the NORAD compatible two-line element(TLE)through SGP4/SDP4 analytical propagator.展开更多
文摘In this paper,a high-fidelity satellite orbit propagator,namely the Satellite Precise Orbit Propagator(SPOP),is developed for the Earth orbiting satellites.The SPOP numerically integrates the perturbed two-body differential equations of motion in the Earth Mean Equator and Equinox of 2000(EME2000/J2000)reference frame using Cowell’s formulation and explicit Runge–Kutta class of integrator with the fixed time step size.Various perturbing forces are included in the numerical propagator such as a simple two-body problem up to J_(6)terms for the academic purpose,full force gravitational field model using the spherical harmonics for the high precision orbit propagation in view of the commercial use,atmospheric drag,third-body gravity,solar radiation pressure,Earth radiation pressure due to albedo,and relativistic effect correction.In addition,SPOP also has the feature to predict the satellite ephemeris and orbit products using the NORAD compatible two-line element(TLE)through SGP4/SDP4 analytical propagator.