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Diamant B

National Center of Space Research

Launch Status



Type: Astrophysics

Satellite similar to Tournesol (detect the presence of hydrogen in several directions of the celestial sphere) but in a more polar orbit. It failed to reach orbit.


Diamant Launch Area

Kourou, French Guiana

315 rockets have launched from Kourou, French Guiana.

Diamant Launch Area, Kourou, French Guiana


Diamant B – Société d’étude et de réalisation d’engins balistiques

Family: Diamant
Length: 23.5 m
Diameter: 1.34 m
Launch Mass: 18 T
Low Earth Orbit Capacity: 160 kg

The Diamant B was manufactured by Société d’étude et de réalisation d’engins balistiques with the first launch on 1970-03-10. Diamant B has 3 successful launches and 2 failed launches with a total of 5 launches. The Diamant rocket (Diamant is French for “diamond”) was the first exclusively French expendable launch system and at the same time the first satellite launcher not built by either the United States or USSR. As such, it has been referred to as being a key predecessor for all subsequent European launcher projects.


National Center of Space Research

Type: Government
Abbreviation: CNES
Administration: Jean-Yves Le Gall
Founded: 1961
Launchers: Ariane 5
Spacecraft: Mars/Venus Express | Rosetta
Country: FRA

The National Center of Space Research, or CNES, is a French National Agency in charge of France’s space program. In partnership with the US and Russia, they have put 10 people in space. CNES works in tandem with the larger ESA to develop the Ariane 5 and work on other probes and satellites. They are working with Germany to develop a cheaper and more efficient reusable rocket, which hopefully will be ready to fly by 2026.

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