Physics
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agusmsa23a..20h&link_type=abstract
American Geophysical Union, Spring Meeting 2005, abstract #SA23A-20
Physics
0394 Instruments And Techniques, 2427 Ionosphere/Atmosphere Interactions (0335), 2437 Ionospheric Dynamics, 2494 Instruments And Techniques
Scientific paper
Based on laboratory tests and simulations of our small deflection energy analyzer (SDEA), it is now possible to obtain the neutral and ion parameters in the ionosphere-thermosphere system with a 500 gram instrument suite that uses less than 1 W of power. This suite will provide the neutral wind vector and neutral temperature, the ion-drift vector and ion temperature, and the neutral composition and ion composition with sensitivity from 120 to 600 km altitude and time resolution of about 0.1 to 5 seconds (spatial resolution 1 to 40 km). An additional instrument, a magnetometer, will require an additional 100 grams with 100 mW power. With these figures it is possible to formulate a realistic approach to a nanosat having roughly 10 times the mass of the instrument payload, That is, a nanosat with total mass about 10 kg or less, with an average power about 5 W. We will present the results of our formulation for a mission of 5 nanosats whose goal is to demonstrate that a) scientific measurements are possible with the new technology, and b) the cost level and fabricability would support a future mission of 100 or more nanosats at or below current mission cost levels. The 5 nanosats in the first mission will provide simultaneous coverage of all the Ionosphere-Thermosphere parameters measured by the instrument suite and magnetometer at 5 different altitudes from 120 to about 500 km and many latitude-longitude-local time combinations.
Grebowsky Joseph M.
Herrero Federico A.
Leitner Jesse A.
Matsumura Masahiro
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