Computer Science
Scientific paper
Oct 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cosre..47..368t&link_type=abstract
Cosmic Research, Volume 47, Issue 5, pp.368-373
Computer Science
Hazard Assessment, Forecasting, And Prediction
Scientific paper
Estimates of drag characteristics of the space vehicles with orbit heights of 450-540 and 700-900 km before and after strong (with a magnitude M ≥ 6.5) crust earthquakes of 2000-2006 are presented. The method of estimation of seismic orbital effects is presented using as an example the small Mozhaets-4 spacecraft. Two weeks prior to earthquakes, variations in the drag of low-orbital spacecraft increase. 3-6 days prior to strong crust earthquakes with epicenters on the land, the drag of low-orbit spacecraft in the upper atmosphere increases. The effect of increased viscosity of the neutral component of the atmosphere at spacecraft heights 3-6 days prior to strong crust earthquakes is consistent with the results of studies of disturbances in the ionization density variations in the ionospheric F region prior to earthquakes. No anomalies are found in the day of the earthquake. In the future, it is proposed to use elements of space debris for diagnostics of seismic orbital effects and disturbances of the upper atmosphere.
Skripachev V. O.
Tertyshnikov A. V.
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