代码简单，完全是算法的总结和线程

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package  sun;
import  java.awt.Color;
import  java.awt.Frame;
import  java.awt.Graphics;
import  java.awt.Image;
import  java.awt.Toolkit;
import  java.awt.event.WindowAdapter;
import  java.awt.event.WindowEvent;
/**
  *
  *@author huyongjian Oracle(Compus Solution Group)
  * @Date  2013-7-22
  * @version 2.0
  * @since JDK1.6（建议）
    Copy Right Information    COMPUS SOLUTION GROUP
    IDE:Eclipse
    class:SolarSystem 太阳系运动轨迹
  */
public  class  SolarSystem  extends  Frame{
                                                                          
     double  x , x1 =  200 ,x2 =  200 ,x3 =  200 ,x4 =  200 ,x5 =  200 ,x6 =  200 ,x7 =  200 ,x8 =  200 ;
     double  y , y1 =  200 ,y2 =  200 ,y3 =  200 ,y4 =  200 ,y5 =  200 ,y6 =  200 ,y7 =  200 ,y8 =  200 ;
     double  t =  0 ,t1 =  0 ,t2 =  0 ,t3 =  0 ,t4 =  0 ,t5 =  0 ,t6 =  0 ,t7 =  0 ,t8 =  0 ;
     private  Image offScreenImage =  null ;
     void  loadFrame(){
         this .setSize( 900 , 900 );
         this .setLocation( 50 , 50 );
         this .setTitle( "太阳系" );
         this .addWindowListener( new  WindowAdapter(){
             public  void  windowClosing(WindowEvent e) {
                 System.exit( 0 );
             }
         });
         this .setVisible( true );
//      this.setColor.black);
          new  PaintThread().start();
     }
     public  void  update(Graphics g) {
         if (offScreenImage ==  null )
             offScreenImage =  this .createImage( 900 ,  900 );
                                                                              
         Graphics gOff = offScreenImage.getGraphics();
         Color oldColor = gOff.getColor();
         gOff.setColor(Color.GREEN);
         gOff.fillRect( 0 ,  0 ,  900 ,  900 );
         gOff.setColor(oldColor);
         paint(gOff);
         g.drawImage(offScreenImage,  0 ,  0 ,  null );
     }
                                                                          
     Image sun = Toolkit.getDefaultToolkit().getImage( "images/sun.jpg" );
     Image bg = Toolkit.getDefaultToolkit().getImage( "images/bg.jpg" );
     Image mercury = Toolkit.getDefaultToolkit().getImage( "images/Mercury.jpg" );
     Image venus = Toolkit.getDefaultToolkit().getImage( "images/Venus.jpg" );
     Image earth = Toolkit.getDefaultToolkit().getImage( "images/Earth.jpg" );
     Image mars = Toolkit.getDefaultToolkit().getImage( "images/Mars.jpg" );
     Image jupiter = Toolkit.getDefaultToolkit().getImage( "images/Jupiter.jpg" );
     Image saturn = Toolkit.getDefaultToolkit().getImage( "images/Saturn.jpg" );
     Image uranus = Toolkit.getDefaultToolkit().getImage( "images/Uranus.jpg" );
     Image neptune = Toolkit.getDefaultToolkit().getImage( "images/Neptune.jpg" );
     Image moon = Toolkit.getDefaultToolkit().getImage( "images/moon.jpg" );
                                                                          
     public  void  paint(Graphics g){
         g.setColor(Color.blue);
         g.drawImage(bg ,  0  ,  0  ,  null );
         g.drawImage(sun ,  435  ,  435  ,  null );
         g.drawOval( 401 ,  415 ,  88 ,  60 );
         g.drawOval( 375 ,  395 ,  140 ,  100 );
         g.drawOval( 335 ,  365 ,  220 ,  160 );
         g.drawOval( 285 ,  335 ,  320 ,  220 );
         g.drawOval( 155 ,  275 ,  580 ,  340 );
         g.drawOval( 120 ,  245 ,  650 ,  400 );
         g.drawOval( 80 ,  210 ,  730 ,  470 );
         g.drawOval( 10 ,  165 ,  870 ,  560 );
                                                                              
         t1 = t1 + Math.PI /  8.8 ;          //公转周期为88天
         t2 = t2 + Math.PI /  22.5 ;
         t3 = t3 + Math.PI /  36.5 ;
         t = t + Math.PI /  0.1 ;
         t4 = t4 + Math.PI /  68.7 ;
         t5 = t5 + Math.PI /  432.9 ;
         t6 = t6 + Math.PI /  1076.8 ;
         t7 = t7 + Math.PI /  3066.0 ;
         t8 = t8 + Math.PI /  6015.2 ;
                                                                              
         g.drawImage(mercury , ( int )x1 ,( int )y1,  null );
         x1 =  440  +  44  * Math.cos(t1);
         y1 =  440  +  30  * Math.sin(t1);
         g.drawImage(venus , ( int )x2 ,( int )y2,  null );
         x2 =  440  +  70  * Math.cos(t2);
         y2 =  440  +  50  * Math.sin(t2);
         g.drawImage(earth , ( int )x3 ,( int )y3,  null );
         x3 =  440  +  110  * Math.cos(t3);
         y3 =  440  +  80  * Math.sin(t3);
         g.drawImage(moon , ( int )x ,( int )y,  null );
         x = x3 +  15  * Math.cos(t1);
         y = y3 +  15  * Math.sin(t1);
         g.drawImage(mars , ( int )x4 ,( int )y4,  null );
         x4 =  440  +  160  * Math.cos(t4);
         y4 =  440  +  110  * Math.sin(t4);
         g.drawImage(jupiter , ( int )x5 ,( int )y5,  null );
         x5 =  435  +  290  * Math.cos(t5);
         y5 =  435  +  170  * Math.sin(t5);
         g.drawImage(saturn , ( int )x6 ,( int )y6,  null );
         x6 =  428  +  325  * Math.cos(t6);
         y6 =  428  +  200  * Math.sin(t6);
         g.drawImage(uranus , ( int )x7 ,( int )y7,  null );
         x7 =  435  +  365  * Math.cos(t7);
         y7 =  435  +  235  * Math.sin(t7);
         g.drawImage(neptune , ( int )x8 ,( int )y8,  null );
         x8 =  435  +  435  * Math.cos(t8);
         y8 =  435  +  280  * Math.sin(t8);
     }
     public  static  void  main(String[] args){
         SolarSystem ball =  new  SolarSystem();
         ball.loadFrame();
     }
                                                                          
     private  class  PaintThread  extends  Thread{
         public  void  run(){
             while ( true ){
                 repaint();
                 try  {
                     Thread.sleep( 40 );
                 }  catch  (InterruptedException e) {
                     e.printStackTrace();
                 }
             }
         }
     }
}