The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
Find out more about space activities in our 23 Member States, and understand how ESA works together with their national agencies, institutions and organisations.
Exploring our Solar System and unlocking the secrets of the Universe
Go to topicProtecting life and infrastructure on Earth and in orbit
Go to topicUsing space to benefit citizens and meet future challenges on Earth
Go to topicMaking space accessible and developing the technologies for the future
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Ariane 5 is designed to meet the challenges of the new millennium. It meets several requirements: the ability to launch larger satellites, the increasing use of low orbits for servicing the International Space Station and the need to reduce costs while maintaining a high reliability.
Its first successful launch took place on 30 October 1997 while its first operational flight occurred in December 1999, when it launched ESA’s X-ray Multi-Mirror (XMM). Ariane 5 has proved highly reliable and economic, and has been used to launch satellites for communications, Earth observation and scientific research into geostationary orbits and Sun-synchronous orbits. ESA had to build a new launch site at Europe’s spaceport in Kourou for this new member of the Ariane family as well as facilities to make the solid boosters needed to launch this, the most powerful launcher in the Ariane family. Ariane 5 can be used for launches into geostationary orbit, medium-Earth orbit and low-Earth orbit, as well as for launches to other planets.