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Orbit Control Manoeuvre Strategy for Post-Mission De-Orbiting of A Low-Earth-Orbit Satellite

机译:用于低地轨道卫星的任务后轨道的轨道控制机动策略

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In this paper, we investigate a practical strategy for de-orbiting the retired satellite in low-Earth orbit for the space debris mitigation. The only means available onboard the spacecraft for performing the task is the chemical propulsion system with limited propellant provided. It is proposed to reduce the orbital perigee to reach a certain level where the atmospheric drag can play its role in lowering the satellite altitude, and eventually bringing it to re-entry within a defined period of time. The required delta-V is divided into a series under the constraints on the propulsion system and orbit control manoeuvre implementation. The results from the flight dynamics simulator suggest that a fraction of the remaining propellant available on the demonstrating mission, the Thaichote satellite, would be sufficient to accomplish the task. The strategy implementation will be another vital step in transferring the spacecraft to a safe passive state, where the fuel tank is empty, all batteries are discharged and all electronic devices are deactivated.
机译:在本文中,我们探讨脱离轨道的卫星退役在低地球轨道的空间碎片减缓实用的策略。提供板载飞船执行任务的唯一方法是化学推进系统提供了有限的推进剂。建议将减少轨道近地点达到一定的水平,由于大气阻力可降低卫星高度,并最终将其带到一个规定的时间内再入境发挥作用。所需的Δ-V被分成推进系统和轨道控制机动实施上的约束下一个系列。从飞行动力学模拟表明,一小部分,其余的示范使命,Thaichote卫星推进剂可用,便足以完成任务的结果。该战略的实施将在飞船转移到一个安全的被动状态,其中燃料箱是空的另一个重要一步,所有的电池放电和所有的电子设备都关闭。

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