ΣYNDEO‑3

ΣYNDEO‑3

Mission type	Technology demonstration
Operator	European Union European Space Agency
Spacecraft properties
Bus	Hammerhead
Manufacturer	Redwire
Start of mission
Launch date	Q4 2026 (planned)
Rocket	Spectrum
Launch site	Andøya Space
Contractor	Isar Aerospace
IOD/IOV

ΣYNDEO‑3 is a future European technology demonstration satellite built by Redwire in Kruibeke, Belgium, for the In-Orbit Demonstration and In-Orbit Validation (IOD/IOV) programme funded by the European Union and managed by the European Space Agency (ESA). The satellite is based on Redwire's Hammerhead platform (derived from PROBA ^{[1] [2]} ) and carries 10 payloads funded by the European Commission and developed by institutions and companies in Spain, France, Germany, Italy, and Luxembourg. ^{[3] [4]} ΣYNDEO‑3 is expected to launch in late 2026 on a Spectrum rocket developed by the German company Isar Aerospace. ^{[5] [6] [7] [8] [9] [10] [11] [12]}

See also

• List of European Space Agency programmes and missions

References

1. "Hammerhead: Proven European LEO Platform for SmallSats". Redwire. Archived from the original on 2026-01-15. Retrieved 2026-01-15.
2. Christiaens, Kris. "Redwire voltooit succesvol integratie van Hammerhead satelliet voor komende Europese missie". www.belgiuminspace.be (in Dutch). Retrieved 2026-01-15.
3. "Redwire Successfully Completes Payload Integration for Upcoming European Technology Demonstration Mission – Company Announcement - FT.com". markets.ft.com. Retrieved 2026-01-15.
4. Maglione, Mariasole (2026-01-07). "Redwire ha completato l'integrazione dei payload per la missione europea ΣYNDEO‑3". AstroSpace (in Italian). Retrieved 2026-01-15.
5. "Spectrum". Gunter's Space Page. Retrieved 2026-01-15.
6. Foust, Jeff (2025-12-02). "Isar Aerospace wins launch contract for European tech demo satellite". SpaceNews. Retrieved 2026-01-15.
7. "Isar Aerospace Nabs European Space Agency Launch | Aviation Week Network". aviationweek.com. Retrieved 2026-01-15.
8. "Isar Aerospace Awarded Contract to Launch EU In-Orbit Demo Mission". 2 December 2025.
9. "Isar Aerospace and ESA sign contract to launch a mission under the European Commission Horizon 2020 Program". Isar Aerospace. Retrieved 2026-01-15.
10. Faleti, Joshua (2025-12-02). "Isar Aerospace to Launch ESA's 'ΣYNDEO-3' Mission under the EU's IOD/IOV Program". SpaceWatch.GLOBAL. Retrieved 2026-01-15.
11. "Spectrum | ΣYNDEO-3 Mission". RocketLaunch.org. Retrieved 2026-01-15.
12. Aeroespacial, Actualidad (2025-12-01). "Isar Aerospace y la ESA firman un contrato para lanzar la misión ΣYNDEO-3". Actualidad Aeroespacial (in Spanish). Retrieved 2026-01-15.