Why did you edit away your code?
%% Geometric characteristics of the spacecraft
height = 600000; % m
number_facets = 10; %object + panels
u_normale_body = [1,0,0; ...
-1,0,0; ...
0,1,0; ...
0,-1,0; ...
0,0,1; ...
0,0,-1];
u_normale_panels = [1,0,0; ...
-1,0,0; ...
1,0,0; ...
-1,0,0];
u_normale = [u_normale_body; u_normale_panels];
rho_body = [0.5,0.5,0.5,0.5,0.5,0.5];
rho_panels = [0.8,0.8,0.8,0.8];
rho = [rho_body,rho_panels];
area_facets = [9,9,9,9,9,9]; %m^2
area_panels = [20,20,20,20]; % m^2
area = [area_facets,area_panels];
