Asteroid electrostatic instrumentation and modelling

Asteroid electrostatic instrumentation and modelling
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小行星静电仪器和建模

DOI:
10.1088/1742-6596/301/1/012008
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发表时间:
2011
期刊:
Conference Series
影响因子:
--
通讯作者:
Aplin K
Aplin K
中科院分区:
--
文献类型:
--
作者:
Aplin K

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小行星表面的物质预计将被光电充电,并可能通过静电悬浮进行运输。了解表面物质的任何运动都与拟议的将样品送回地球进行详细同位素分析的空间飞行任务有关。出于准备的马可波罗波罗样品返回使命,我们提出了一个真实的的小行星,丝川,详细的形状信息是可用的静电建模,并验证充电效果很可能是显着的终结者和在边缘的阴影区域的马可波罗波罗基线小行星,1999JU 3。我们还描述了小行星电荷实验电场仪器打算为马可波罗波罗。最后,我们发现,不同的小行星和航天器着陆的潜力可能会干扰样品收集的20分钟,目前计划的短着陆时间。
Asteroid surface material is expected to become photoelectrically charged, and is likely to be transported through electrostatic levitation. Understanding any movement of the surface material is relevant to proposed space missions to return samples to Earth for detailed isotopic analysis. Motivated by preparations for the Marco Polo sample return mission, we present electrostatic modelling for a real asteroid, Itokawa, for which detailed shape information is available, and verify that charging effects are likely to be significant at the terminator and at the edges of shadow regions for the Marco Polo baseline asteroid, 1999JU3. We also describe the Asteroid Charge Experiment electric field instrumentation intended for Marco Polo. Finally, we find that the differing asteroid and spacecraft potentials on landing could perturb sample collection for the short landing time of 20min that is currently planned.
原始近地小行星样本返回太空任务的四个潜在目标的轨道和热演化
DOI: 10.1016/j.icarus.2010.05.013
发表时间: 2010
期刊: Icarus
影响因子: 3.2
作者:
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通讯作者: M. Delbo’
DOI: 10.1126/science.1134390
发表时间: 2007-05-18
期刊: SCIENCE
影响因子: 56.9
作者:
Miyamoto, Hideaki;Yano, Hajime;Sasaki, Sho
通讯作者: Sasaki, Sho
DOI: 10.1016/j.icarus.2008.02.008
发表时间: 2008-06-01
期刊: ICARUS
影响因子: 3.2
作者:
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