Magnetospheric Science Objectives of the Juno Mission

In July 2016, NASA’s Juno mission becomes the first spacecraft to enter polar orbit of Jupiter and venture 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 th...

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Vydané v:	Space science reviews Ročník 213; číslo 1-4; s. 219 - 287
Hlavní autori:	Bagenal, F., Adriani, A., Allegrini, F., Bolton, S. J., Bonfond, B., Bunce, E. J., Connerney, J. E. P., Cowley, S. W. H., Ebert, R. W., Gladstone, G. R., Hansen, C. J., Kurth, W. S., Levin, S. M., Mauk, B. H., McComas, D. J., Paranicas, C. P., Santos-Costa, D., Thorne, R. M., Valek, P., Waite, J. H., Zarka, P.
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Dordrecht Springer Netherlands 01.11.2017 Springer Nature B.V Springer Verlag Springer Science & Business Media B.V
Predmet:	Aerospace Technology and Astronautics Astrophysics Astrophysics and Astroparticles Auroral emissions Aérospatiale, astronomie & astrophysique Earth Earth magnetosphere Earth orbits Emission measurements Flight Flyby missions Instrumentation Ionosphere Juno Jupiter Jupiter probes Lisri Magnetic fields Magnetosphere Magnetospheres Microwave emission Orbital maneuvers Orbits Physical, chemical, mathematical & earth Sciences Physics Physics and Astronomy Physique, chimie, mathématiques & sciences de la terre Planetary magnetospheres Planetology Plasma physics Plasmas (physics) Polar environments Polar orbits Polar regions Radiation Radiation belts Radio waves Remote sensing Sinkholes Space exploration Space Exploration and Astronautics Space missions Space science, astronomy & astrophysics Space Sciences (including Extraterrestrial Physics Spacecraft Wavelengths Magnetosphere Jupiter Juno
ISSN:	0038-6308, 1572-9672, 1572-9672
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Popis
Shrnutí:	In July 2016, NASA’s Juno mission becomes the first spacecraft to enter polar orbit of Jupiter and venture 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.
Bibliografia:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 ObjectType-Literature Review-3 scopus-id:2-s2.0-84893980340
ISSN:	0038-6308 1572-9672 1572-9672
DOI:	10.1007/s11214-014-0036-8