This article is about the space agency. For the Scottish council, see Comhairle nan Eilean Siar.
National Centre of Space Research
Centre national d'études spatiales

Logotype of CNES
Acronym CNES
Owner  France
Established 19 December 1961
Headquarters Paris, Île-de-France
Administrator Jean-Yves Le Gall
Budget €2.126 billion (2015)[1]
CNES, 2 Place Maurice Quentin, 75039 Paris, France

The Centre national d'études spatiales (CNES) (English: National Centre for Space Studies) is the French government space agency (administratively, a "public administration with industrial and commercial purpose"). Its headquarters are located in central Paris and it is under the supervision of the French Ministries of Defence and Research.

It operates from the Toulouse Space Center and Guiana Space Centre, but also has payloads launched from space centres operated by other countries. The president of CNES is Jean-Yves Le Gall.[2] CNES is member of Institute of Space, its Applications and Technologies.


CNES was established under President Charles de Gaulle in 1961.

CNES was responsible for the training of French astronauts, until the last active CNES astronauts transferred to the European Space Agency in 2001.

As of January 2015, CNES is working with Germany and a few other governments to start a modest research effort with the hope to propose a LOX/methane reusable launch vehicle by mid-2015. If built, flight testing would likely not start before approximately 2026. The design objective is to reduce both the cost and duration of reusable vehicle refurbishment, and is partially motivated by the pressure of lower-cost competitive options with newer technological capabilities not found in the Ariane 6.[3][4]

Summary of major events

CNES facility in Toulouse


CNES concentrates on five areas:[6]

Access to space

Ariane 1, 3 and 4 models in a CNES window
Ariane 5-ECA model showcase at CNES, Paris

France was the third space power (see Diamant) to achieve access to space(after the USSR and USA), sharing technologies with Europe to develop the Ariane launcher family. Commercial competition in space is fierce, so launch services must be tailored to space operators’ needs. The new versions of Ariane 5 can launch large satellites or perform dual launches while the Vega and Soyuz-2 are small and medium-lift launchers.

Sustainable development

CNES and its partners in Europethrough the Global Monitoring for Environment and Security initiative (GMES)and around the world have put in place satellites dedicated to observing the land, oceans and atmosphere, as well as to hazard and crisis management.

The best-known are the SPOT satellites flying the Vegetation instrument, the Topex/Poseidon, Jason-1 and Jason-2 oceanography satellites, the Argos system, Envisat andin the near future Pleiades satellites.

Civil applications

CNES is taking part in the Galileo navigation programme alongside the European Union and the European Space Agency (ESA), and—in a wider international context—in the Cospas-Sarsat search-and-rescue system.

Security and defense

In addition to Spot and the future Pleiades satellites, CNES is working for the defence community as prime contractor for the Helios satellites.

Global Monitoring for Environment and Security—a joint initiative involving the EU, ESA and national space agencies—pools space resources to monitor the environment and protect populations, but it also encompasses satellite support for armed forces and for European organisations on humanitarian or peacekeeping missions.

Ongoing missions

France’s contribution to the International Space Station is giving French scientists the opportunity to perform original experiments in microgravity. The CNES is studying formation flying, a technique whereby several satellites fly components of a much heavier and complex instrument in a tightly controlled configuration.

CNES is collaborating with other space agencies in a number of projects. Orbital telescopes such as INTErnational Gamma-Ray Astrophysics Laboratory, XMM-Newton and COROT, and space probes like Mars Express, Venus Express, Cassini-Huygens and Rosetta, operated by the European space agency are revolutionizing our knowledge of the Universe and our Solar System. Recent satellites such as Demeter (earthquakes). Joint missions with NASA result in PARASOL and CALIPSO (radiation budget) satellites. Megha-Tropiques Mission is a planned collaborative mission with the Indian Space Agency (ISRO) designed to study the water cycle and radiation dynamics, and assist observation from other satellite platforms. CNES plays a major role in the construction and operation of the Soil Moisture and Ocean Salinity satellite.

UFO Archive

Wikinews has related news: French agency CNES to release UFO archives on the Internet

In December 2006, CNES announced that it would publish its UFO archive online by late January or mid-February. Most of the 6,000 reports have been filed by the public and airline professionals. Jacques Arnould, an official for the French Space Agency, said that the data had accumulated over a 30-year period and that they were often reported to the Gendarmerie.

In the last two decades of the 20th century, France was the only country whose government paid UFO investigators, employed by CNES's UFO section GEPAN, later known as SEPRA and now as GEIPAN.

Wikinews has related news: French Space Agency CNES releases UFO files

On March 22, 2007, CNES released its UFO files to the public through its website. The 100,000 pages of witness testimony, photographs, film footage and audiotapes are an accumulation of over 1,600 sightings since 1954 and will include all future UFO reports obtained by the agency, through its GEIPAN unit.

Tracking stations

The CNES has several tracking stations. Partial list:[7][8]


  1. Le 2ème budget au monde, Activité institutionnelle du CNES, retrieved 2015-12-28
  2. "Jean-Yves Le Gall". CNES. Retrieved 7 June 2015.
  3. de Selding, Peter B. (5 January 2015). "CNES proposal". de Selding is a journalist for Space News. Retrieved 6 January 2015.
  4. de Selding, Peter B. (5 January 2015). "With Eye on SpaceX, CNES Begins Work on Reusable Rocket Stage". SpaceNews. Retrieved 6 January 2015.
  6. "About CNES". CNES.
  7. "Les stations de contrôle". Retrieved 2008-06-22.
  8. "Cnes - Fin de vie de SPOT 1". Retrieved 2008-06-22.
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