Ara es mostren els items 19-33 de 33

    • Kirkwood gaps and diffusion along mean motion resonances in the restricted planar three-body problem 

      Guàrdia Munarriz, Marcel; Kaloshin, Vadim; Fejoz, J.; Roldán González, Pablo (2016)
      Article
      Accés obert
      We study the dynamics of the restricted planar three-body problem near mean motion resonances, i.e. a resonance involving the Keplerian periods of the two lighter bodies revolving around the most massive one. This problem ...
    • Libration transfer design using patched elliptic three-body models and graphics processing units 

      Peng, Hao; Bai, Xiaoli; Masdemont Soler, Josep; Gómez Muntané, Gerard; Xu, Shijie (2017-01-01)
      Article
      Accés obert
      Copyright © 2016 by the American Institute of Aeronautics and Astronautics, Inc. Design of the transfer from lunar orbits to the sun-Earth libration point region by direct searching in the highfidelity ephemeris model is ...
    • Methodology and estimation costs for proximity maneuvering spacecraft formations in the vicinity of libration points 

      García Taberner, Laura; Masdemont Soler, Josep (2012)
      Text en actes de congrés
      Accés obert
      The aim of this paper is to study and provide estimations of the cost of reconfiguration maneuvers in the neighbor- hood of L1 and L2 libration points of the Sun-Earth system. The problem is considered as a function of ...
    • On co-orbital quasi-periodic motion in the three-body problem 

      Cors Iglesias, Josep Maria; Palacián Subiela, Jesús Francisco; Yanguas Sayas, Patricia (2019-01-01)
      Article
      Accés obert
      Within the framework of the planar three-body problem we establish the existence of quasi-periodic motions and KAM $4$-tori related to the co-orbital motion of two small moons about a large planet where the moons move in ...
    • On the mechanisms of natural transport in the solar system 

      Masdemont Soler, Josep; Ren, Yuan; Gómez Muntané, Gerard; Fantino, Elena (2010)
      Text en actes de congrés
      Accés obert
      Some minor bodies in the solar system (i.e., comets, asteroids and planetary ejecta) are capable of performing transfers from their original location to very distant places, provided they possess sufficiently large ...
    • Solar radiation pressure assisted transfers between Lissajous orbits of the Sun-Earth system 

      Stefania, Soldini; Gómez Muntané, Gerard; Masdemont Soler, Josep; Camilla, Colombo; Walker, Scott (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This article investigates a propellant-free transfer between Lissa jous orbits in the Sun-Earth system modelled as a photo-gravitational circular restricted three body p roblem. The geometry of the phase space around the ...
    • Study and optimization of transfer orbits to the L4 and L5 Lagrange Points of the Earth-Sun system 

      Urruticoechea Puig, Aitor (Universitat Politècnica de Catalunya, 2023-02-06)
      Treball Final de Grau
      Accés obert
      The Circular-Restricted Three-Body Problem (CR3BP) describes the motion of a small celestial body in the gravitational field of two larger bodies. The present study focuses on the application of the CR3BP to the Sun-Earth ...
    • Study on the viability of transfer trajectories to the stability region around L4 and L5 Lagrange Points in the Earth-Sun system 

      Sanchez García, Alejandro (Universitat Politècnica de Catalunya, 2023-07-17)
      Treball Final de Grau
      Accés obert
      In the present thesis a study is done regarding the viability and optimization of trajectories to get to the stability region around Lagrange points L4 and L5 from the Earth, specifically from periodic orbits around Lagrange ...
    • Tails and bridges in the parabolic restricted three-body problem 

      Barrabés Vera, Esther; Cors Iglesias, Josep Maria; García Taberner, Laura; Ollé Torner, Mercè (2017-01-01)
      Article
      Accés obert
      After a close encounter of two galaxies, bridges and tails can be seen between or around them. A bridge would be a spiral arm between a galaxy and its companion, whereas a tail would correspond to a long and curving set ...
    • The dynamics of digits: calculating Pi with Galperin's billiards 

      Aretxabaleta, Xabier M.; Gonchenko, Marina; Harshman, Nathan L.; Jackson, Steven Glenn; Olshanii, Maxim; Astrakharchik, Grigori (Multidisciplinary Digital Publishing Institute (MDPI), 2020-04-01)
      Article
      Accés obert
      In Galperin billiards, two balls colliding with a hard wall form an analog calculator for the digits of the number p . This classical, one-dimensional three-body system (counting the hard wall) calculates the digits of p ...
    • The geometry of station-keeping strategies around libration poin orbits 

      Farrés Basiana, Ariadna; Masdemont Soler, Josep; Gómez Muntané, Gerard; Webster, Cassandra; Folta, Dave C. (2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper intends to give an insight on the geometry of stationkeeping strategies around Libration Point Orbits (LPO). Classically theFloquet modes have been used to determine the¿vrequired to control the trajectory of a ...
    • The scattering map in the spatial Hill's problem 

      Delshams Valdés, Amadeu; Masdemont Soler, Josep; Roldán González, Pablo (2006-11)
      Article
      Accés obert
      We present a framework and methodology to compute the scattering map associated to heteroclinic trajectories in the spatial Hill's problem. The scattering map can be applied to design of zero-cost transfer trajectories in ...
    • Tools to detect structures in dynamical systems using Jet Transport 

      Pérez-Palau, Daniel; Masdemont Soler, Josep; Gómez Muntané, Gerard (2015-11-01)
      Article
      Accés obert
      This paper is devoted to the development of some dynamical indicators that allow the determination of regions and structures that separate different dynamic regimes in autonomous and non-autonomous dynamical systems. The ...
    • Two mechanisms of natural transport in the Solar System 

      Ren, Yuan; Gomez Muntaner, Gerard; Masdemont Soler, Josep; Fantino, Elena (2011)
      Article
      Accés restringit per política de l'editorial
      In this paper, two natural transport mechanisms in Solar System are considered. The first is a short-time transport, and is based on the existence of ‘‘pseudo-heteroclinic’’ connections between libration point orbits of ...
    • Zero, minimum and maximum relative radial acceleration for planar formation flight dynamics near triangular libration points in the Earth-Moon system 

      Salazar, F.J.T; Masdemont Soler, Josep; Gómez Muntané, Gerard; Macau, E.E.N.; Winter, O. C. (2014-11-01)
      Article
      Accés restringit per política de l'editorial
      Assume a constellation of satellites is flying near a given nominal trajectory around L-4 or L-5 in the Earth-Moon system in such a way that there is some freedom in the selection of the geometry of the constellation. We ...