A repeating ground-track orbit has period of repetition is two orbits per day (ω⊕ = 7.2921151467 · 10−5 rad/s), has an eccentricity of 0.74, an inclination of 63.4349 deg, a right ascension of the ascending node of −86.915798 deg, and argument of perigee of 270 deg.  What is the semi-major axis? In MATLAB,  provide the following results using 100 points equally distributed in time over an orbital period with a starting position of true anomaly equal to 0 degrees: 3D representation of the orbit. Include the Earth (as a simple sphere) in the center of the plot for a size comparison. Make sure that the axis have the same scale.

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A repeating ground-track orbit has period of repetition is two orbits per day (ω⊕ = 7.2921151467 · 10−5 rad/s), has an eccentricity of 0.74, an inclination of 63.4349 deg, a right ascension of the ascending node of −86.915798 deg, and argument of perigee of 270 deg. 

What is the semi-major axis?

In MATLAB,  provide the following results using 100 points equally distributed in time over an orbital period with a starting position of true anomaly equal to 0 degrees: 3D representation of the orbit. Include the Earth (as a simple sphere) in the center of the plot for a size comparison. Make sure that the axis have the same scale.

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