Study of LEO to GEO transfers via the L1 Sun-Earth or Earth-Moon libration points

Herrera Sucarrat, Elisabet

dc.contributor	Masdemont Soler, Josep
dc.contributor.author	Herrera Sucarrat, Elisabet
dc.contributor.other	Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada I
dc.date.accessioned	2009-03-09T17:22:42Z
dc.date.available	2009-03-09T17:22:42Z
dc.date.issued	2008-10
dc.identifier.uri	http://hdl.handle.net/2099.1/6546
dc.description.abstract	A geosynchronous Transfer Orbit (GTO) is a type of transfer around the Earth between a low Earth orbit (LEO) and the geostationary orbit (GEO). After the launch to a LEO orbit, the orbit of spacecraft has the same inclination with respect to the equator, than the latitude of the launch site on the Earth where the spacecraft was launched. In order to transfer to a GEO orbit the inclination must be reduced to zero. During a GTO it may happen that because of many different problems, the spacecraft may not arrive to a GEO orbit and instead, it may remain in an inclined high elliptical orbit. The aim of this project is to compare in terms of _v, different ways of transfers between these elliptical orbits and the geostationary orbit. This masters thesis presents a brief study of different ways of transfer between an elliptical orbit and the geostationary orbit, using the restricted three body problem (RTBP) as the mathematical model. In this situation, a spacecraft moves under the gravitational forces of two massive bodies, which at the same time describe circular orbits around their common center of mass. The RTBP has 5 equilibrium points which have been studied in deep in the past. The results contained in this project are related with the equilibrium point L1, which is the one that lies between the two massive bodies.
dc.language.iso	eng
dc.publisher	Universitat Politècnica de Catalunya
dc.rights	Attribution-NonCommercial 3.0 Spain
dc.rights.uri	http://creativecommons.org/licenses/by-nc/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Física::Astronomia i astrofísica::Cosmologia i cosmogonia
dc.subject.lcsh	Three-body problem.
dc.subject.lcsh	Celestial mechanics
dc.subject.other	restricted three body problem
dc.subject.other	LEO orbit
dc.subject.other	GEO orbit
dc.title	Study of LEO to GEO transfers via the L1 Sun-Earth or Earth-Moon libration points
dc.type	Master thesis (pre-Bologna period)
dc.subject.lemac	Problema dels tres cossos
dc.subject.lemac	Mecànica celest
dc.subject.ams	Classificació AMS::70 Mechanics of particles and systems::70F Dynamics of a system of particles, including celestial mechanics
dc.rights.access	Open Access
dc.audience.educationlevel	Màster
dc.audience.mediator	Universitat Politècnica de Catalunya. Facultat de Matemàtiques i Estadística