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DETERMINING LOCATIONS AND TRANSFERS OF ARTIFICIAL EQUILIBRIUM POINTS IN A DOUBLE ASTEROID SYSTEM

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Author(s):
Couto Oliveira, Geraldo Magela ; de Almeida Junior, Allan Kardec ; Bertachini de Almeida Prado, Antonio Fernando ; Parker, JS ; Seago, JH ; Strange, NJ ; Scheeres, DJ
Total Authors: 7
Document type: Journal article
Source: ASTRODYNAMICS 2018, PTS I-IV; v. 162, p. 16-pg., 2018-01-01.
Abstract

In the absence of a solar sail, the traditional Lagrange points L-1 and L-2 are the only equilibrium points near the asteroid 243 Ida, which is located in the asteroid belt. The use of a solar sail in the spacecraft gives new configurations of equilibrium points, which depend on positions and the inclination of the vector normal for the solar sail with respect to the x axis. These new configurations of equilibrium points are the so called artificial equilibrium points (AEP). A solar sail allows a spacecraft to park closer to the body that is the object of study. Besides that, new perspectives for viewing above or below the ecliptic plane can be reached through the use of a solar sail to observe the body from a stationary condition. The main idea of this manuscript is to obtain the new locations of those points and to calculate the costs to transfer a spacecraft between those points, as well as to show some options to minimize those costs. (AU)

FAPESP's process: 14/22293-2 - Mapping orbits around the lagrangian points in a triple asteroid
Grantee:Leonardo Barbosa Torres dos Santos
Support Opportunities: Scholarships in Brazil - Master
FAPESP's process: 16/14665-2 - Astrodynamics applied to space vehicles.
Grantee:Antônio Fernando Bertachini de Almeida Prado
Support Opportunities: Regular Research Grants
FAPESP's process: 11/08171-3 - Orbital dynamics of minor bodies
Grantee:Othon Cabo Winter
Support Opportunities: Research Projects - Thematic Grants
FAPESP's process: 14/22295-5 - Study of the dynamics of artificial satellites around triple systems
Grantee:Diogo Merguizo Sanchez
Support Opportunities: Scholarships in Brazil - Post-Doctoral