Título:	A permanent magnet hall thruster for pulsed orbit control of lunar polar satellites
Autor(es):	Moraes, Brunno Silva Ferreira, José Leonardo Ferreira, Ivan Soares Winter, Othon Cabo Mourão, Décio Cardozo
Assunto:	Satélites Gravidade (Física) - medição
Data de publicação:	2014
Editora:	IOPscience
Referência:	MORAES, Brunno Silva et al. A permanent magnet hall thruster for pulsed orbit control of lunar polar satellites. Journal of Physics: Conference Series, v. 511, Article 012074, p. 012074-012074, 2014. Disponível em: <http://iopscience.iop.org/article/10.1088/1742-6596/511/1/012074/meta;jsessionid=FC9C80287FAAA341128A725D7CAE5E5D.c4.iopscience.cld.iop.org>. Acesso em: 11 out. 2017. doi: 10.1088/1742-6596/511/1/012074.
Abstract:	Future Moon missions devoted to Lunar surface remote sensing, for example, will require very _ne and accurate orbit control. It is well known that Lunar satellites in polar orbits will su_er a high increase on the eccentricity due to the gravitational perturbation of the Earth. Without proper orbit correction the satellite lifetime will decrease and end up in a collision with the Moon surface. It is pointed out by many authors that this e_ect is a natural consequence of the Lidov-Kozai resonance. We studied di_erent arcs of active lunar satellite propulsion, centered on the orbit apoapsis or periapsis, in order to be able to introduce a correction of the eccentricity at each cycle. The proposed method is based on an approach intended to keep the orbital eccentricity of the satellite at low values.
Licença:	Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Fonte: http://iopscience.iop.org/article/10.1088/1742-6596/511/1/012074/meta;jsessionid=FC9C80287FAAA341128A725D7CAE5E5D.c4.iopscience.cld.iop.org. Acesso em: 11 out. 2017.
DOI:	https://dx.doi.org/10.1088/1742-6596/511/1/012074
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