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@Article{PradoGomeChan:2018:Bu“EPo,
               author = "Prado, Antonio Fernando Bertachini de Almeida and Gomes, Vivian 
                         Martins and Chanut, Thierry Gregory Gil",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and 
                         {Universidade Estadual Paulista (UNESP)} and {Universidade 
                         Estadual Paulista (UNESP)}",
                title = "Building an “Escape Portal” with tethers fixed in asteroids",
              journal = "The Journal of the Astronautical Sciences",
                 year = "2018",
               volume = "65",
               number = "3",
                pages = "355--375",
                month = "Sept.",
             keywords = "Astrodynamics · Orbital maneuvers · Thetered maneuvers · Escape 
                         trajectories.",
             abstract = "The main idea of this paper is to propose the construction of an 
                         Escape Portal to send a spacecraft to the exterior planets, or 
                         even to make it escape from the Solar System, using a Tethered 
                         Sling Shot Maneuver (TSSM) with an asteroid. The construction of 
                         this portal allows an unlimited number of maneuvers with the same 
                         tether, which is very interesting when considering a possible use 
                         for small satellites. This structure would be formed by a tether 
                         that remains fixed in an asteroid. At the other end of the tether, 
                         a large net is fixed, such that the only action required from the 
                         spacecraft to make the TSSM is to hit the net. The net can have a 
                         mechanism to open a passage to release the spacecraft when the 
                         desired rotation is obtained. This technique would avoid some of 
                         the problems that appear when assuming that the spacecraft needs 
                         to carry a tether on board that would be released to hit the 
                         asteroid just before the maneuver.",
                  doi = "10.1007/s40295-017-0120-x",
                  url = "http://dx.doi.org/10.1007/s40295-017-0120-x",
                 issn = "0021-9142",
             language = "en",
        urlaccessdate = "30 nov. 2020"
}


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