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首页> 外文期刊>The Journal of the Astronautical Sciences >Mars Exploration Rovers Orbit Determination System Modeling
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Mars Exploration Rovers Orbit Determination System Modeling

机译：火星探测漫游者轨道确定系统建模

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From June 2003 to January 2004, two spinning spacecraft journeyed from Earth to Mars., A team of navigators at the Jet Propulsion Laboratory (JPL) accurately determined the orbits of both Mars Exploration Rovers, Spirit and Opportunity,, For the navigation process to be successful, the team needed to know how nongravitational effects and how measurement system properties affected the trajectory and data modeling To accomplish this, in addition to the standard gravitational and radiometric modeling of the spacecraft, a calibration was performed on each spacecraft to determine the amount of AV that might occur during a turn, a high-fidelity solar-radiation-pressure model was created, the spin signature was removed from the tracking data, the station locations of the Deep Space Network were resurveyed, and a model of interplanetary charged particles was developed. The result of this effort was near-perfect accuracy, surpassing the tight atmospheric-entry requirements for navigation of both spacecraft.
机译：从2003年6月到2004年1月，两艘旋转的航天器从地球驶向火星。喷气推进实验室（JPL）的一组导航员准确地确定了火星探索漫游者的轨道，精神和机遇，以便进行导航。成功的团队需要了解非重力效应以及测量系统特性如何影响轨迹和数据建模。为此，除了航天器的标准重力和辐射建模之外，还对每艘航天器进行了校准以确定其数量转弯时可能发生的AV，创建了高保真太阳辐射压力模型，从跟踪数据中删除了自旋签名，重新测量了深空网络的站位置，并建立了行星际带电粒子模型发达。这项工作的结果是接近完美的精度，超过了这两种航天器导航的严格大气进入要求。

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