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<title>GG Eccentric</title>
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<div align="left"><b><u>Description<br>
</u></b><br>
A rigid spacecraft is subjected to gravity gradient torque while it revolves<br>
around an eccentric orbit.<br>
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<b><u>Inputs<br>
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<b>Ixx, Iyy, Izz</b> Principal moments of inertia (kg
m2)<br>
<b>e </b> Eccentricity<br>
<small><br>
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</small><b><u>Initial Condition</u></b><br>
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<b>w1</b>, <b>w2, w3</b>: Spacecraft angular velocities
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<b>q1, q2, q3, q4</b>: Quaternions<br>
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