Physics
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsm13a0326k&link_type=abstract
American Geophysical Union, Fall Meeting 2006, abstract #SM13A-0326
Physics
2194 Instruments And Techniques, 2494 Instruments And Techniques, 2794 Instruments And Techniques, 5494 Instruments And Techniques, 6994 Instruments And Techniques (1241)
Scientific paper
Recent progress in the development of satellite-borne space science instrumentation has focused on increased sophistication resulting in a tremendous increase in understanding of microphysical processes in space. These tremendous advancements, however, have been made without sufficient concomitant experimental characterization of the dynamic behavior of the large-scale geospace system. Global theoretical models of the geospace system need distributed measurements for authentication. Thus there is a need to acquire in-situ space weather data at higher spatio-temporal density than currently planned. Nanosatellites (i.e. 1-10 kg spacecraft) have emerged as technically capable carriers for a variety of on-orbit missions. Advances in electronic miniaturization, reductions in power consumption, increased communications capabilities and miniaturized propulsion systems for station-keeping have enabled development of highly capable miniature satellite buses. Led primarily by universities, kg-class satellites have been developed and launched for a variety of purposes. As recently as July 2006, 18 satellites were lost in a launch booster failure in what was billed as the single largest cluster launch of satellites to date. Thirteen of the 14 one kg-class satellites in this cluster launch were designed, developed, and built in university laboratories. They were built at a fraction of the cost of typical satellites. While, in this instance, these 14 satellites had, for the most part, unrelated mission goals it is perfectly reasonable to envision that a launch of several dozen related satellites is technically feasible at a cost much lower than studies based on traditional methods have shown. This paper will review current nanosatellite capabilities and explore the application of constellations of nanosatellies as carriers of relatively unsophisticated space weather instruments where the value lies in the ability to make a network of measurements that provide unprecedented coverage in the space and time domains.
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