@Article{CavalcaGomeMerg:2020:MiNaOr,
               author = "Cavalca, Marina Pires de Oliveira and Gomes, Vivian Martins and 
                         Merguizo Sanchez, Diogo",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and 
                         {Universidade Estadual Paulista (UNESP)} and {Instituto Nacional 
                         de Pesquisas Espaciais (INPE)}",
                title = "Mid-range natural orbits around the triple asteroid 2001SN263",
              journal = "European Physical Journal Special Topics",
                 year = "2020",
               volume = "229",
               number = "8",
                pages = "1557--1572",
                month = "May",
             abstract = "The goal of the present paper is to search for natural 
                         trajectories that can be used to place a spacecraft to observe the 
                         triple asteroid 2001SN(263). For a first set of observations 
                         mid-range distance orbits are ideal. To model this triple asteroid 
                         from a mid-range distance, it is considered that it can be modeled 
                         as a single ellipsoid body, which gives a simple mathematical 
                         model that allows on-board computation of trajectories. The mass 
                         is assumed to be equal to the sum of the masses of the three 
                         bodies and its dimensions are calculated considering the size of 
                         the orbits of Beta and Alpha. The objective is to search for 
                         orbits that can be used at the arrival time of the spacecraft in 
                         the vicinity of the triple asteroid to observe the bodies to make 
                         a better evaluation of their dimensions and dynamics before a good 
                         choice for a final orbit can be made. The two-dimensional elliptic 
                         restricted three-body problem is used as the mathematical model 
                         with the addition of the perturbations coming from the asteroid 
                         and the Sun irregular gravity fields (J(2)). It is also considered 
                         the disturbance caused by the solar radiation pressure, a major 
                         force near asteroids.",
                  doi = "10.1140/epjst/e2020-900093-0",
                  url = "http://dx.doi.org/10.1140/epjst/e2020-900093-0",
                 issn = "1951-6355",
             language = "en",
           targetfile = "cavalca_mid.pdf",
        urlaccessdate = "26 abr. 2024"
}