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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Dynamics of Artificial Satellites around Europa

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dos Santos Carvalho, Jean Paulo [1] ; de Moraes, Rodolpho Vilhena [1] ; Bertachini de Almeida Prado, Antonio Fernando [2]
Total Authors: 3
[1] Univ Fed Sao Paulo UNIFESP, Inst Ciencia & Tecnol, BR-12331280 Sao Jose Dos Campos, SP - Brazil
[2] INPE, Div Space Mech & Control, BR-12227010 Sao Jose Dos Campos, SP - Brazil
Total Affiliations: 2
Document type: Journal article
Web of Science Citations: 6

A planetary satellite of interest at the present moment for the scientific community is Europa, one of the four largest moons of Jupiter. There are some missions planned to visit Europa in the next years, for example, Jupiter Europa Orbiter (JEO, NASA) and Jupiter Icy Moon Explorer (JUICE, ESA). In this paper, we search for orbits around Europa with long lifetimes. Here, we develop the disturbing potential in closed form up to the second order to analyze the effects caused on the orbital elements of an artificial satellite around Europa. The equations of motion are developed in closed form to avoid expansions in power series of the eccentricity and inclination. We found polar orbits with long lifetimes. This type of orbits reduces considerably the maintenance cost of the orbit. We show a formula to calculate the critical inclination of orbits around Europa taking into account the disturbing potential due to the nonspherical shape of the central body and the perturbation of the third body. (AU)

FAPESP's process: 11/08171-3 - Orbital dynamics of minor bodies
Grantee:Othon Cabo Winter
Support type: Research Projects - Thematic Grants
FAPESP's process: 11/09310-7 - Orbital study of the motion of spacecrafts
Grantee:Antônio Fernando Bertachini de Almeida Prado
Support type: Regular Research Grants
FAPESP's process: 11/05671-5 - Stability analysis for planetary satellites orbits
Grantee:Jean Paulo dos Santos Carvalho
Support type: Scholarships in Brazil - Post-Doctorate