1) Srilanka
2) Bangladesh
3) Indonesia
4) Myanmar
Explanation:
On April 18, 2019 Sri Lanka launched its first satellite ‘Raavana-1’ weighing 1.05 kg into space from the Mid-Atlantic Regional Spaceport at NASA’s Wallops Flight Facility on Virginia’s East Shore. Raavana 1 was bordered to the Antares rocket carrying Cygnus cargo spacecraft. The satellite is expected to orbit 400 km away from earth and will have the lifespan of an estimated 1.5 years. Ravana 1, is part of third phase of the project ‘BIRDS’ which is led by the Kyushu Institute of Technology in Japan. The aim of the project is to help countries to build their first satellite with the assistance of the United Nations.