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@Article{CavalcaPraForGomMer:2018:StMiPl,
               author = "Cavalca, Marina Pires de Oliveira and Prado, Antonio Fernando 
                         Bertachini de Almeida and Formiga, J. K. S. and Gomes, Vivian 
                         Martins and Merguizo Sanchez, Diogo",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)} and {Universidade Estadual 
                         Paulista (UNESP)} and {Universidade Estadual Paulista (UNESP)} and 
                         {Instituto Nacional de Pesquisas Espaciais (INPE)}",
                title = "Studying mid-range planar orbits around phobos",
              journal = "Revista Mexicana de Astronomia y Astrofisica",
                 year = "2018",
               volume = "54",
               number = "2",
                pages = "429--442",
                month = "Oct.",
             keywords = "celestial mechanics — planets and satellites: dynamical evolution 
                         and stability.",
             abstract = "The goal of the present paper is to search and study mid-range 
                         planar orbits for a spacecraft traveling near Phobos. The first 
                         step is to make a numerical search and classification of natural 
                         orbits based in the concept of Quasi Satellite Orbits (QSO). The 
                         effects of the eccentricity of Phobos and the irregular shape of 
                         the bodies involved (Mars and Phobos) are studied, identifying the 
                         importance of these terms. This study is made using two different 
                         initial locations for Phobos, the periapsis and apoapsis. The 
                         results show the existence of several solutions, mapping the 
                         minimum, maximum and averaged Phobos-spacecraft distances. 
                         RESUMEN: El objetivo de este art´\ıculo es buscar y estudiar 
                         ´orbitas planas intermedias para naves espaciales que viajan cerca 
                         de Phobos. El primer paso es una b´usqueda num´erica y 
                         clasificaci´on de las ´orbitas naturales basada en el concepto de 
                         las ´orbitas cuasi satelitales (QSOs). Se estudian los efectos de 
                         la excentricidad de Phobos y de la forma irregular de Phobos y 
                         Marte, y se identifica la importancia de los t´erminos 
                         correspondientes. Se emplean dos posiciones iniciales diferentes 
                         para Phobos, el periapsis y el apoapsis. Los resultados muestran 
                         la existencia de varias soluciones que mapean las distancias 
                         m´\ınima, m´axima y promedio entre Phobos y la nave.",
                 issn = "0185-1101",
             language = "en",
        urlaccessdate = "30 nov. 2020"
}


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