Around ten countries in the world now have their own satellites, four of them in Asia. Of those four, Communist China and India are large in land area, while Japan and Indonesia are widespread archipelagoes, so all in fact have a real need for their own satellites.
目前，世界上擁有專用衛星的國家大約十個，就拿亞洲的中共、印度、日本、印尼來說，前二者土地遼闊，後二者離島眾多，的確都有自備專用衛星的實際需要，而衛星涵蓋面積廣大的特點，正能充分物盡其用。