Solar Extreme Events of 2003:
Fundamental Science and Applied Aspects

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Anomalies in the motion of satellite during the geomagnetic disturbances in October-November 2003
Prokudina V.S., Lissov I. A.,

Observational data of nanosatelite SNAP-11 during the period October-November2003 are analyzed. Significan anomalies in the average motion of satellite along the orbit were observed at this time.Temporary changesin the parameters of satellite motion were compared with indices of solar and geomagnetic activity. We examined the indices Ap, Dst and also the values of radiation belts' indices, which were characterized by the large fluctuatios during this period. Since the orbit of satelite had parameters i=98 and apogee=700 km, it can be assumed, that the disturbances in the motion of satellite along the orbit were caused mainly by a change of the density of upper atmosphere in the polar regions at heights on the order of 700km during the geomagnetic storm





Skobeltsyn Institute of Nuclear Physics, Moscow State University, 2004