MISSION OVERVIEW
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.
LAUNCH DETAILS
VEHICLE
Diamant BMISSION
Polaire
MISSION TYPE
Astrophysics
TARGET ORBIT
Polar Orbit
LAUNCH PAD
Diamant Launch AreaLAUNCH SITE
Guiana Space Centre, French GuianaCOUNTRY
FRA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 4a34f5ce-74b6-437a-9888-baaa65b43019
Reported date: Dec 5, 1971 at 16:20 UTC
Last synced: 9 hours ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE — Diamant B →
MANUFACTURER
Société d'étude et de réalisation d'engins balistiques
VARIANT
B
FLIGHTS
5
SUCCESSES
3
SUCCESS RATE
60%
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.
FREQUENTLY ASKED QUESTIONS
When is the Diamant B | Polaire launch?
The Diamant B | Polaire is scheduled for Sunday, December 5, 1971 at 4:20 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: FAILURE.
What rocket is being used for Polaire?
The Diamant B | Polaire mission uses the Diamant B rocket, manufactured by Société d'étude et de réalisation d'engins balistiques. The Diamant B has flown 5 times with a 60% success rate.
Where is the Diamant B | Polaire launching from?
The launch takes place from Diamant Launch Area at Guiana Space Centre, French Guiana.
What orbit is Polaire going to?
The Polaire mission is targeting Polar Orbit.
Who is launching Polaire?
The Diamant B | Polaire is operated by National Center of Space Research.
Can I watch the Diamant B | Polaire launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
LAUNCH TIMELINE
Mar 28, 2026 21:44 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 21:44 UTC
Launch date set: Dec 5, 1971 at 16:20 UTC
NET (No Earlier Than) confirmed by National Center of Space Research
Mar 28, 2026 21:44 UTC
Launch failure reported
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 9 hours ago
●Launch Library 29 hours ago
Launch ID: 4a34f5ce-74b6-437a-9888-baaa65b43019
●Open-Meteo Weather9 hours ago
Pad weather at 5.22, -52.78
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