Review of the Cluster orbit and separation strategy: Consequence for measurements

Details Review of the Cluster orbit and separation strategy: Consequence for measurements Review of the Cluster orbit and separation strategy: Consequence for measurements

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990sppi.rept...17d&link_type=abstract

In ESA, Space Plasma Physics Investigation by Cluster and Regatta p 17-22 (SEE N91-10417 01-46)

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Cluster Mission, Mission Planning, Orbital Mechanics, Positioning, Spacecraft Orbits, Spacing, Bow Waves, Computational Astrophysics, Computer Graphics, Computerized Simulation, European Space Programs, Geomagnetic Tail, Magnetopause, Planetary Magnetotails, Polar Cusps, Space Plasmas, Spaceborne Astronomy, Spacecraft Configurations

Scientific paper

The spatial orientation of simulated orbits, together with the associated separation scenarios, in relation to key physical features are reviewed using three dimensional graphical display. Various three dimensional surface boundaries in the near Earth plasma environment, together with a time dependent field model, are used to model each plasma region physically. The consequences for science investigations are considered in terms of feasibility of the proposed measurements. It is noted that the dayside orbit does not pass through the position of the exterior cusp for the field model used. The separation strategy chosen, which was optimized for fuel on each of four maneuvers, would result in poor science performance as a result of extreme distortion of the tetrahedron. A more scientifically optimized strategy, which regulates tetrahedral shape at some cost in fuel per maneuver is recommended.

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