Probe lifetime around natural satellites with obliquity

IF 2.7 1区 物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS
Marco Cinelli, Hanlun Lei, Emiliano Ortore, Christian Circi
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引用次数: 3

Abstract

The dynamics of a probe orbiting a moon can be significantly influenced by the non-coincidence between the moon’s equatorial and orbital planes. Thus, we performed a general analysis about the effects of the angle (obliquity) between the above-mentioned planes and of the angle (nodal phasing) between the nodal lines of the mother planet’s apparent orbit and the probe orbit on the lifetime of the probe. The lifetime, strictly correlated to the variations in eccentricity of the probe orbit, was evaluated starting from low values of the semi-major axis, moderate eccentricity, and high inclination to offer high ground spatial resolution and extend latitudinal coverage of the natural satellite. This investigation, carried out through numerical simulations, may be useful for identifying the optimal initial conditions of the probe’s orbit elements, leading to an important increase in the probe lifetime in missions devoted to the exploration of natural satellites.

探测器在有倾角的天然卫星周围的寿命
月球赤道平面和轨道平面之间的不重合会对绕月探测器的动力学产生重大影响。因此,我们对上述平面之间的角度(倾角)以及母行星视轨道和探测器轨道的节点线之间的角(节点相位)对探测器寿命的影响进行了一般分析。寿命与探测器轨道离心率的变化密切相关,从半长轴的低值、中等离心率和高倾角开始评估,以提供高的地面空间分辨率并扩大天然卫星的纬度覆盖范围。这项通过数值模拟进行的研究可能有助于确定探测器轨道元件的最佳初始条件,从而在专门探索天然卫星的任务中大大延长探测器的寿命。
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来源期刊
Astrodynamics
Astrodynamics Engineering-Aerospace Engineering
CiteScore
6.90
自引率
34.40%
发文量
32
期刊介绍: Astrodynamics is a peer-reviewed international journal that is co-published by Tsinghua University Press and Springer. The high-quality peer-reviewed articles of original research, comprehensive review, mission accomplishments, and technical comments in all fields of astrodynamics will be given priorities for publication. In addition, related research in astronomy and astrophysics that takes advantages of the analytical and computational methods of astrodynamics is also welcome. Astrodynamics would like to invite all of the astrodynamics specialists to submit their research articles to this new journal. Currently, the scope of the journal includes, but is not limited to:Fundamental orbital dynamicsSpacecraft trajectory optimization and space mission designOrbit determination and prediction, autonomous orbital navigationSpacecraft attitude determination, control, and dynamicsGuidance and control of spacecraft and space robotsSpacecraft constellation design and formation flyingModelling, analysis, and optimization of innovative space systemsNovel concepts for space engineering and interdisciplinary applicationsThe effort of the Editorial Board will be ensuring the journal to publish novel researches that advance the field, and will provide authors with a productive, fair, and timely review experience. It is our sincere hope that all researchers in the field of astrodynamics will eagerly access this journal, Astrodynamics, as either authors or readers, making it an illustrious journal that will shape our future space explorations and discoveries.
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