Surface crossing by a group of satellites: A theoretical study

Details Surface crossing by a group of satellites: A theoretical study Surface crossing by a group of satellites: A theoretical study

Jan 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994jgr....9913499m&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 99, no. A7, p. 13,499-13,507

Other

18

Curvature, Spacecraft Motion, Surfaces, Velocity Measurement, Cluster Mission, Discontinuity, Earth Magnetosphere

Scientific paper

In order to take advantage of multispacecraft measurements that will be provided by the Cluster mission, we introduce a new method for analyzing the local geometry of a surface crossed by a group of satellites. This analysis relies upon the determination of the normal to the surface by each spacecraft. Assuming a rigid surface with constant curvature, we give a method to estimate its radii of curvature and its velocity. Theoretically, the method could give the three components of the velocity. But because of the sensitivity of the input data to uncertainties, the tangential velocity of the discontinuity must be provided by another method.

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