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		<citationkey>SchmittBarbPrad:2019:OpLoTh</citationkey>
		<title>Optimization of low thrust transfer orbits of a spacecraft considering the radiation hazard from the van allen belts</title>
		<year>2019</year>
		<secondarytype>PRE CI</secondarytype>
		<author>Schmitt, Rodrigo,</author>
		<author>Barbosa, Gerson de Oliveira,</author>
		<author>Prado, Antonio Fernando Bertachini de Almeida,</author>
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		<affiliation></affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<electronicmailaddress></electronicmailaddress>
		<electronicmailaddress>gerson.barbosa@inpe.br</electronicmailaddress>
		<electronicmailaddress>antonio.prado2@inpe.br</electronicmailaddress>
		<conferencename>AAS/AIAA Astrodynamics Specialist Conference</conferencename>
		<conferencelocation>Portland, ME</conferencelocation>
		<date>11-15 Aug.</date>
		<transferableflag>1</transferableflag>
		<contenttype>External Contribution</contenttype>
		<abstract>A spacecraft transfer from a low Earth orbit to outside the Earth sphere of influence using solar electric propulsion is considered. The spacecraft crosses the Van Allen belts many times during the transfer, which can damage the onboard electronic equipment. The belt was modeled using discrete regions with given proton and electron fluxes and used to compute the radiation dose absorbed by the spacecraft for various transfer orbits. The final mass of the spacecraft is calculated for each transfer as well, in order to minimize fuel consumption. This estimate is done for various parking orbits and transfer times.</abstract>
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		<language>en</language>
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