Determination of the heliospheric axis orientation‐An opportunity for the Cassini Mission to Saturn | Zendy

Mall U. | Zendy; Fichtner H. | Zendy; Hamilton D. C. | Zendy; Rucinski D. | Zendy

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Determination of the heliospheric axis orientation‐An opportunity for the Cassini Mission to Saturn

Author(s) -

Mall U.,

Fichtner H.,

Hamilton D. C.,

Rucinski D.

Publication year - 1996

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/96gl02927

Subject(s) - saturn , heliosphere , spacecraft , interplanetary spaceflight , cruise , orientation (vector space) , astrobiology , physics , trajectory , aerospace engineering , environmental science , astronomy , meteorology , geodesy , solar wind , geology , plasma , planet , geometry , mathematics , quantum mechanics , engineering

Pick‐up ion measurements that could be made during the interplanetary cruise of the Cassini spacecraft to Saturn offer a unique opportunity to determine the orientation of the upwind‐downwind axis of the heliosphere. The method and results of a feasibility study are presented. The study shows that pick‐up oxygen is the best candidate for such a measurement. Model computations are used to predict the actual pick‐up oxygen fluxes which instruments on the Cassini spacecraft would see along its trajectory for several currently debated upwind‐downwind axis orientations.

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