Starlette
Diamant BP4
National Center of Space Research
Mission
Starlette
Type: Earth Science
Passive French satellite dedicated to geodetic and geophysical studies
Trajectory
The trajectory is unavailable. Check back for updates.
Location
Diamant Launch Area
Kourou, French Guiana
317 rockets have launched from Kourou, French Guiana.

Rocket
Diamant BP4 – Société d’étude et de réalisation d’engins balistiques
- Family: Diamant
- Length: 21.6 m
- Diameter: 1.34 m
- Launch Mass: 18 T
- Low Earth Orbit Capacity: 160 kg
The Diamant BP4 was manufactured by Société d’étude et de réalisation d’engins balistiques with the first launch on 1975-02-06. Diamant BP4 has 3 successful launches and 0 failed launches with a total of 3 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.
Agency
National Center of Space Research – CNES
- 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.