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        Summary 
        
         
          
           | Description | 
           
             English: Image made from models used to track debris in  Earth  orbit. Of the approximately 19,000 man-made objects larger than 10 centimetres in Earth orbit as of July 2009, most orbit close to the Earth. 
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           | Date | 
           12 September 2009 | 
          
          
           | Source | 
            NASA Earth Observatory | 
          
          
           | Author | 
           Orbital Debris Program Office | 
          
         
         
        NASA illustration courtesy Orbital Debris Program Office.
        Licensing 
        
         
          
           | Public domainPublic domainfalsefalse | 
          
         
         
          
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           This file is in the  public domain because it was solely created by  NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See  Template:PD-USGov,  NASA copyright policy page or  JPL Image Use Policy.) | 
           
            
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       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
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