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@Article{SolˇrzanoSukhPrad:2007:StTrNe,
               author = "Sol{\'o}rzano, Carlos Renato Huaura and Sukhanov, A. A. and 
                         Prado, Antonio Fernando Bertachini de Almeida",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Russian 
                         Academy of Sciences} and {Instituto Nacional de Pesquisas 
                         Espaciais (INPE)}",
                title = "A study of trajectories to the Neptune system using gravity 
                         assists",
              journal = "Advances in Space Research",
                 year = "2007",
               volume = "40",
               number = "1",
                pages = "125--133",
             keywords = "astrodynamics, swing-by, orbital maneuvers, Neptune mission.",
             abstract = "At the present time, the search for the knowledge of our Solar 
                         System continues effective. NASAs Solar System Exploration theme 
                         listed a Neptune mission as one of its top priorities for the 
                         mid-term (20082013). From the technical point of view, gravity 
                         assist is a proven technique in interplanetary exploration, as 
                         exemplified by the missions Voyager, Galileo, and Cassini. Here, a 
                         mission to Neptune for the mid-term (20082020) is proposed, with 
                         the goal of studying several schemes for the mission. A direct 
                         transfer to Neptune is considered and also Venus, Earth, Jupiter, 
                         and Saturn gravity assists are used for the transfer to Neptune, 
                         which represent new contributions for a possible real mission. We 
                         show several schemes, including or not the braking maneuver near 
                         Neptune, in order to find a good compromise between the DV and the 
                         time of flight to Neptune. After that, a study is made to take 
                         advantage of an asteroid flyby opportunity, when the spacecraft 
                         passes by the main asteroid belt. Results for a mission that makes 
                         an asteroid flyby with the asteroid 1931 TD3 is shown.",
                  doi = "10.1016/j.asr.2007.02.070",
                  url = "http://dx.doi.org/10.1016/j.asr.2007.02.070",
                 issn = "0273-1177",
             language = "en",
           targetfile = "1-s2.0-S0273117707001834-main.pdf",
        urlaccessdate = "22 jan. 2021"
}


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