8 February 1967, 09:39 UTC
Diademe D-1C

Diadème 1 (D-1C), a French CNES geodesy satellite with laser reflectors and radio beacons. Diamant A from Hammaguir (Brigitte) launched it on 8 February 1967; third-stage underperformance left a lower-than-planned orbit (partial failure), but the spacecraft still returned useful data.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 23 kg
- Flight
- 3rd
- of 4 Diamant A flights
- Date and time
- 8 February 1967, 09:39 UTC
- Rocket
- Diamant A
- Builder
- SEREB
- Launch site
- Brigitte, Interarmy Special Vehicles Test Centre, French Algeria
- Payload
- Earth Science
- International designator
- 1967-011
- Launches in 1967
- 12th of 139
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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