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GLONASS Satellite Constellation

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');

Glonass Satellite Glonass_02

TLE Data Source. http://www.celestrak.com/ January 20, 2012

 

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