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Third Body Effect
Gravitational accelerations
Solid Earth Tide
Ocean Tide
Geoid
Reference orbit/ideal
Latitude
To study the J2 perturbation on a satellite at medium Earth orbit (MEO) in order to understand how the Earth’s oblate shape effects satellites (at this orbit) and identify methods that are used to correct the orbits.
Simulate this perturbing force using SIMULINK
Bands of latitude
Actual/perturbed
Largest of all zonal harmonics
Asymmetrical gravity potential
Atmospheric Drag
Solar Radiation Pressure (SRP)
Model the motion of a satellite around a symmetric Earth
Use a manual switch to model the motion around an Asymmetric Earth
Evaluate the results of both simulations, using the first as the reference trajectory and the second as actual trajectory