GLONASS is a radio-based satellite navigation system operated for the Russian government by the Russian Aerospace Defense Forces.
clc; clear all; fname = 'Glonass.txt'; % TLE file name Earth3DPlot(1); % Open the TLE file and read TLE elements fid = fopen(fname, 'rb'); while ~feof(fid) [ h, i, RAAN, e,omega,theta ] = TLE2OE( fid ); [Rv, alfa,delta ] = J2PropagR( h, i, RAAN, e,omega,theta) ; scatter3(Rv(:,1),Rv(:,2),Rv(:,3),'.'); end fclose(fid); % Ground Track EarthTopographicMap(2,820,420); fid = fopen(fname, 'rb'); while ~feof(fid) [ h, i, RAAN, e,omega,theta ] = TLE2OE( fid ); [Rv, alfa,delta ] = J2PropagR( h, i, RAAN, e,omega,theta) ; scatter(alfa,delta,'.'); end fclose(fid); text(280,-80,'smallsats.org','Color',[1 1 1], 'VerticalAlignment','middle',... 'HorizontalAlignment','left','FontSize',14 ); title('GLONASS Satellite Constellation');
TLE Data Source. http://www.celestrak.com/ January 20, 2012