Orbit Propagator with J2 effect

I'm a telecommunications engineering student and I'm very familiar with MATLAB and Simulink. I can document and coment all the code to make it easier to understand and manipulate.

Hi! My name is Fernando Téllez. I am a senior year student of electrical engineering at Universidad Simón Bolívar (USB), one of the most prestigious universities in my country (Ranked 34° at the QS University Rankings: Latin America 2015). I code using matlab ON A DAILY BASIS to solve any kind of engineering, logical, statistical and mathematical problem.