Now showing items 1-15 of 15

    • Active signal repeater for interferometric precise orbit determination 

      Garcia Monterrubio, Berta (Universitat Politècnica de Catalunya, 2021-07-27)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Astrophysical parameter determination using chaotic orbital regions 

      Nicolás Álvarez, Jorge (Universitat Politècnica de Catalunya, 2018-02-27)
      Master thesis
      Open Access
      Covenantee:   European Space Research and Technology Centre
      The goal of this thesis is to show that chaotic orbits of a dynamical system are advantageous (compared with regularnes) to determine the characteristic parameters of the system, and to give an estimate about the behaviour ...
    • Design of A Solar Sailing Prototype for Interstellar Journey 

      Bin Imran, Muhammad Nur Ikram (Universitat Politècnica de Catalunya, 2020-07-13)
      Bachelor thesis
      Open Access
      El objetivo principal de este proyecto es diseñar un prototipo de vela solar que se pueda utilizar para hacer un viaje al espacio exterior, o científicamente llamado Viaje interestelar. Este es un estudio únicamente para ...
    • Determination of the along-orbit average density of the thermospere 

      Martínez Calzado, Adrián (Universitat Politècnica de Catalunya, 2020-09-14)
      Bachelor thesis
      Open Access
      Nowadays, the study of the dynamics of the upper atmosphere has become a must in order to study satellite trajectories at low orbit with accuracy. The region we are interested in this project is the lower part of the ...
    • Efficient Two-Body Approximations of Impulsive Transfers between Halo Orbits 

      Fantino, Elena; Flores Le Roux, Roberto Maurice; Al-Khateeb, Ashraf (International Astronautical Federation, 2018)
      Conference report
      Restricted access - publisher's policy
      This contribution presents an efficient method to compute direct transfers between Halo orbits from two circular restricted three-body problems. Owing to the remarkable impulse given over the past two decades to the plans ...
    • Initial orbit determination and satellite tracking using optical observations 

      Aizcorbe Rodriguez, Carlos (Universitat Politècnica de Catalunya, 2021-07-15)
      Master thesis
      Restricted access - author's decision
      Covenantee:   Xīběi Gōngyè Dàxué
      The objective of this project is to propose a passive method for orbit determination (OD) of GEO objects using observational data as position measurements. The proposed method use position measurements expressed as right ...
    • Low‐cost trajectories using dynamical systems 

      Cors Iglesias, Josep Maria; Barrabés Vera, Esther (Escola Politècnica Superior d’Enginyeria de Manresa, 2010-12-02)
      Conference lecture
      Open Access
    • Mecánica orbital para un viaje interestelar utilizando velas solares 

      Rocas Alonso, Marc; Mendez Heredero, Adrià (Universitat Politècnica de Catalunya, 2016-07-14)
      Bachelor thesis
      Open Access
      Es sabido que el espacio es y será objeto de estudios e investigaciones para responder algunas de las preguntas más antiguas de la humanidad. El propósito inicial del trabajo surgió del planteamiento sobre la viabilidad ...
    • Mission analysis for a swarm of femtosatellites to study the lower thermosphere 

      Aidynbay, Nurmakhan (Universitat Politècnica de Catalunya, 2020-02-14)
      Master thesis
      Open Access
      The lower thermosphere (between 100 and 250 km) is badly known due to the scarcity of operating satellites in this region. Nevertheless, it is very relevant for the study of Earth-Sun relations, satellite re-entry ...
    • On the solution of Lambert's problem by regularization 

      Torre Sangrà, David de la; Flores Le Roux, Roberto Maurice; Fantino, Elena (2018-12)
      Article
      Open Access
      Lambert's problem is the two-point boundary-value problem resulting from a two-body orbital transfer between two position vectors in a given time. It lies at the very heart of several fundamental astrodynamics and space ...
    • Orbit reconstruction using GNSS-derived state vectors 

      Martínez Galisteo, María (Universitat Politècnica de Catalunya, 2021-09-08)
      Bachelor thesis
      Open Access
      The lower thermosphere (between 100 and 550 km of height) is known with lesser accuracy than desired. The use of spherical satellites to determine the density could result in a substantial improvement of the present ...
    • Precessing models and eventual links with galaxy warps 

      Barajas Pichardo, Daniel (Universitat Politècnica de Catalunya, 2010-11)
      Master thesis
      Open Access
      The Restricted Three Body problem is a basic model in celestial mechanics and it has been extensively used in the design of some spatial missions. Sometimes, the designers of these missions consider other similar models ...
    • Propuesta de viaje espacial al cinturón de Kuiper 

      Moncada Herrera, Nicolás Orlando (Universitat Politècnica de Catalunya, 2019-10-30)
      Bachelor thesis
      Open Access
      [CASTELLÀ] El objetivo principal del trabajo es elaborar una propuesta de misión espacial para explorar el cinturón de Kuiper, una región del sistema solar situada a 30-55 ua del sol. Para la exploración se plantea el uso ...
    • Review of Lambert's problem 

      Torre Sangrà, David de la; Fantino, Elena (2015)
      Conference lecture
      Open Access
      Lambert’s problem is the orbital boundary-value problem constrained by two points and elapsed time. It is one of the most extensively studied problems in celestial mechanics and astrodynamics, and, as such, it has always ...
    • Spacecraft formations reconfiguration using finite element methodology with adaptive remeshing 

      Masdemont Soler, Josep; García Taberner, Laura (2010)
      Conference report
      Open Access
      We present a methodology to compute trajectories for formation °ying recon¯g- uration problems using a methodology based on ¯nite elements: FEFF (Finite Elements for Formation Flying). In this paper we center ourselves ...