Last update:  2026-08-30
« Rockets

Diamant BP4

StatusRetired
CountryFrance
ManufacturerSociété d'étude et de réalisation d'engins balistiques
Number of orbital launches3
First launch1975-02-06
Last launch1975-09-27
The last version of the Diamant series with the same first stage as Diamant B and a new secong stage for improved performance. Following this version, the Diamant program was put on hold as France became involved in the European launch vehicle program.


Launches:

Launch dateLaunch siteRocket / VariantMission / PayloadNotesStatus
1975-09-27KourouDiamant BP4 Aura (D 2B)success
1975-05-17KourouDiamant BP4 Castor (D 5A) / Pollux (D 5B)success
1975-02-06KourouDiamant BP4 Starlette (BETA)success

Variants:

(This section is under construction)

Diamant BP4 Base variant

First launch1975-02-06
Stages3
Boosters0
Mass27 t
Height21.64 m
Diameter1.4 m
Payload capacity:
LEO153 kg to 500 km
Updated once to twice a month.  Last update:  2026-08-30
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