author = "Almeida J{\'u}nior, Allan Kardec de and Prado, Antonio Fernando 
                         Bertachini de Almeida and Moraes, Rodolfo Vilhena de and Lara, 
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)} and {Universidade Federal 
                         de S{\~a}o Paulo (UNIFESP)} and {Universidade Federal de S{\~a}o 
                         Paulo (UNIFESP)}",
                title = "Analyzing “integral indices” to quantify the effects of a 
                         perturbing force over satellites",
              journal = "Acta Astronautica",
                 year = "2019",
               volume = "164",
                pages = "168--173",
                month = "Nov.",
             keywords = "Astrodynamics, Perturbation expansion method.",
             abstract = "Integral indices are useful tools to be used to identify 
                         characteristics of an orbit. Using analytical solutions for a 
                         perturbative version of the Tsien problem (radial low thrust 
                         applied to a spacecraft), two indices are defined and evaluated. 
                         They can make a map of the orbits disturbed by the thrust.",
                  doi = "10.1016/j.actaastro.2019.07.037",
                  url = "http://dx.doi.org/10.1016/j.actaastro.2019.07.037",
                 issn = "0094-5765",
             language = "en",
           targetfile = "almeida junior_analyzing.pdf",
        urlaccessdate = "19 abr. 2021"