@InProceedings{WinterZaviPradAmar:2022:MaLoNa,
               author = "Winter, Silvia giuliatti and Zavier, Jadilene and Prado, Antonio 
                         Fernando Bertachini de Almeida and Amarante, Andr{\'e}",
          affiliation = "{Universidade Estadual Paulista (UNESP)} and {Universidade 
                         Estadual Paulista (UNESP)} and {Instituto Nacional de Pesquisas 
                         Espaciais (INPE)} and {Universidade Estadual Paulista (UNESP)}",
                title = "Mapping long-term natural orbits around Titania, a satellite of 
                         Uranus",
                 year = "2022",
         organization = "COSPAR Scientific Assembly, 44.",
             abstract = "Near polar and circular orbits are of great interest to explore 
                         natural satellites, such as Titania, Uranus largest natural 
                         satellite. The reason is the fact that, from a near-polar and 
                         circular orbit, the whole surface of the satellite can be observed 
                         while the satellite rotates. In this work, we present several maps 
                         showing the lifetime of the orbits that can be used by a probe 
                         around Titania. The system analysed consists of Titania, as a 
                         central body, a probe in its orbit around Titania, and Uranus, as 
                         a disturbing body. Regarding the gravity fields involved, we 
                         considered the J2 and C22 gravitational coefficients of Titania, 
                         as well as Uranus J2 and J4 gravitational coefficients. We built a 
                         set of lifetime maps for five different values of the eccentricity 
                         of the orbit around Titania. Besides, we also present lifetime 
                         maps to compare the effects caused by the presence of the 
                         third-body and the gravity coefficients of Titania on the probes 
                         orbit. Our results show that low-altitude almost circular orbits 
                         have longer lifetimes. The reason is the equilibrium between the 
                         third-body perturbation from Uranus and the J2 and C22 
                         gravitational coefficients of the gravity field of Titania. We 
                         also see that the gravity coefficients of Titania affect much more 
                         the probes lifetime compared to the effect due to Uranus gravity 
                         coefficients. The results also show that the values of \$ and are 
                         essential in increasing of the orbits lifetime.",
  conference-location = "Athens, Greece",
      conference-year = "16-24 July 2022",
             language = "en",
           targetfile = "PSD.1-0027-22-nopref.pdf",
        urlaccessdate = "29 jun. 2024"
}