set output './single_orbit_a.ps' 
set term postscript color size 12,12 'Helvetica,18'  
set grid 
set key top left 
set size square 
set label 1 at 7000,500 'Start' font 'Helvetica,18' 
set arrow 2 from  6600,500 to 6600,1500 lt -1 lw 2 
set xlabel 'Distance in X direction (km) ' 
set ylabel 'Distance in Y direction (km) ' 
set title 'Motion of a satellite around the Earth with timestep 500 seconds' 
plot [-1.0e4:1.0e4][-1.0e4:1.0e4] 'nbody.out.bad.e1' every 2::1 using ($4/1000):($5/1000)     lt 1 ps 1.5 pt 1 lw 5 t 'Euler 1'  ,   'nbody.out.bad.e1a' every 2::1 using ($4/1000):($5/1000)     lt 3 ps 1.5 pt 3 lw 3 t 'symplectic Euler 1'  ,   'nbody.out.bad.e2' every 2::1 using ($4/1000):($5/1000)     lt 4 ps 1.5 pt 4 lw 3 t 'Euler 2'  ,   'nbody.out.bad.rk4' every 2::1 using ($4/1000):($5/1000)     lt -1 ps 1.5 pt 6 lw 2 t 'Runge-Kutta 4'  ,   'circle.dat' using 2:3     with lines lw 1 lt -1 t ''  
set output 
quit 
