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Magnetospheric Science Objectives of the Juno Mission
Bagenal, Fran; Adriani, A.; Allegrini, F. et al.
2014In Space Science Reviews
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Keywords :
Jupiter; magnetosphere; Juno; Lisri
Abstract :
[en] In July 2016, NASA’s Juno mission becomes the first spacecraft to enter polar orbit of Jupiter and enture deep into unexplored polar territories of the magnetosphere. Focusing on these polar regions, we review current understanding of the structure and dynamics of the magnetosphere and summarize the outstanding issues. The Juno mission profile involves (a) a several-week approach from the dawn side of Jupiter’s magnetosphere, with an orbit-insertion maneuver on July 6, 2016; (b) a 107-day capture orbit, also on the dawn flank; and (c) a series of thirty 11-day science orbits with the spacecraft flying over Jupiter’s poles and ducking under the radiation belts. We show how Juno’s view of the magnetosphere evolves over the year of science orbits. The Juno spacecraft carries a range of instruments that take particles and fields measurements, remote sensing observations of auroral emissions at UV, visible, IR and radio wavelengths, and detect microwave emission from Jupiter’s radiation belts. We summarize how these Juno measurements address issues of auroral processes, microphysical plasma physics, ionosphere-magnetosphere and satellite-magnetosphere coupling, sources and sinks of plasma, the radiation belts, and the dynamics of the outer magnetosphere. To reach Jupiter, the Juno spacecraft passed close to the Earth on October 9, 2013, gaining the necessary energy to get to Jupiter. The Earth flyby provided an opportunity to test Juno’s instrumentation as well as take scientific data in the terrestrial magnetosphere, in conjunction with ground-based and Earth-orbiting assets.
Research center :
LiSRI - Liège Space Research Institute - ULiège
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Bagenal, Fran;  University of Colorado at Boulder - CU > LASP
Adriani, A.;  INAF-IAPS
Allegrini, F.;  Southwest Research Institute
Bolton, S.J.;  Southwest Research Institute
Bonfond, Bertrand  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Labo de physique atmosphérique et planétaire (LPAP)
Bunce, E.J.;  University of Leicester
Connerney, J.E.P.;  Goddard Space Flight Center
Cowley, S.W.H.;  University of Leicester
Ebert, R.W.;  Southwest Research Institute
Gladstone, G.R.;  Southwest Research Institute
Hansen, C.J.;  Planetary Science Institute
Kurth, W.S.;  University of Iowa
Levin, S.M.;  Jet Propulsion Laboratory
Mauk, B.H.;  Applied Physics Laboratory
McComas, D.J.;  Southwest Research Institute
Paranicas, C.P.
Santos-Costa, D.;  Southwest Research Institute
Thorne, R.M.;  University of California, Los Angeles - UCLA > Atmospheric Sciences
Valek, P.;  Southwest Research Institute
Waite, J.H.;  Southwest Research Institute
Zarka, P.;  LESIA
More authors (11 more) Less
Language :
English
Title :
Magnetospheric Science Objectives of the Juno Mission
Publication date :
February 2014
Journal title :
Space Science Reviews
ISSN :
0038-6308
eISSN :
1572-9672
Publisher :
Springer Science & Business Media B.V., Dordrecht, Netherlands
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 25 March 2014

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