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arXiv · 2012.04766

Dynamics of charged dust in the orbit of Venus

Lei Zhou·Christoph Lhotka·Catalin Gales·Yasuhito Narita·Li-Yong Zhou
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Abstract

We study the dynamics of co-orbital dust in the inner solar system, i.e. the role of the solar radiation pressure, Poynting-Robertson effect, solar wind, and the interplanetary magnetic field on the location, width and stability of resonant motion of charged, and micron sized dust grains situated in the 1:1 mean motion resonance with planet Venus. We find deviations and asymmetry between $L_4$ and $L_5$ in locations of libration centers and libration width under the influence of non-gravitational effects via both analytical and numerical methods. The triangular Lagrangian points become unstable once we take into consideration solar radiation pressure, the Poynting-Robertson effect and solar wind drag. The Lorentz force could further destabilize the orbits, especially for small dust particles. We also make a comparison between the circular, elliptic restricted three-body model and a more complete model including all planets.

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Lei Zhou, Christoph Lhotka, Catalin Gales, Yasuhito Narita, Li-Yong Zhou. 2020-12-08. Dynamics of charged dust in the orbit of Venus. https://doi.org/10.1051/0004-6361/202039617

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