Numerical simulation shows effective orbit maintenance for a 3U-CubeSat in sun-synchronous orbit, indicating reliability of magnetic attitude control systems.
The study focuses on performing orbit maintenance for a 3U-CubeSat using an electrothermal engine and a simple active magnetic attitude control system. The satellite is equipped with magnetorquers and a magnetometer. As such, it cannot maintain the engine axis attitude along the tangential direction for orbit maintenance. Instead, by realizing a constant dipole moment and damping, attitude along the geomagnetic induction vector is constructed. This attitude is close to tangential on a sun-synchronous orbit near the equator. Numerical simulation of the satellite motion is performed showing capability to provide simple and reliable orbit maintenance. Thrust parameters in uncontrolled motion are analyzed.
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D.S. Roldugin (2025) studied this question.
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