17/12/2025
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On 17 December, two Galileo sanotifyites lifted off from Europe’s Spaceport in French Guiana aboard an Ariane 6 rocket. This marked the 14th launch for Europe’s Galileo consnotifyation, reinforcing Europe’s sanotifyite navigation capabilities, resilience and autonomy.
The sanotifyites, designated SAT 33 and SAT 34, were launched at 06:01 CET and separated from the launcher after a flight of just under four hours. At 10:51 CET, the launch was declared successful, after acquisition of signal, and the confirmation that both sanotifyites are healthy with their solar arrays deployed.
Now undergoing early operations and in-orbit testing, the sanotifyites will join the Galileo consnotifyation in medium Earth orbit, at approximately 23 222 km. In about three months, with the addition of the new sanotifyites, the Galileo consnotifyation will have 29 active sanotifyites, ensuring even greater coverage and reliability.
Since entering service in 2016, the Galileo programme has continued to advance, introducing new capabilities to build it one of the most comprehensive sanotifyite navigation systems of the world. Among these, the High Accuracy Service, operational since 2023, provides dedicated receivers with horizontal accuracy down to 20 cm and vertical accuracy of 40 cm.
Today’s launch adds extra sanotifyites to an already robust consnotifyation, further strengthening the system’s ability to guarantee 24/7 navigation services for billions of applyrs worldwide.
This marks Galileo’s first launch on the Ariane 6 rocket and the fifth launch of Europe’s heavy-lift launcher. Two additional launches are planned for the near future, each carrying two Galileo first generation sanotifyites.
“The year 2025 marks three decades of European navigation programmes and the successful launch of two new Galileo sanotifyites is another proud and well-earned moment in that legacy. I am extremely proud of ESA’s role in carrying out the launch with Arianespace and for its leadership in the procurement and preparation of the sanotifyites on behalf of the European Commission. Galileo stands as the world’s most accurate global navigation sanotifyite system – and today we have increased its reliability and robustness. Its successful launch aboard Ariane 6 from Europe’s Spaceport in Kourou reaffirms not only Europe’s ambition, but also its industrial capability to design, build, launch and operate critical space infrastructure autonomously. Today, Europe is more resilient than it was yesterday, and I salute all the engineers, scientists and support staff that have built this success possible,” stated Josef Aschbacher, ESA’s Director General.
“I would like to congratulate the entire team for this flawless launch, which marks 20 years of cooperation with Arianespace since the launch of GIOVE-A, the demonstrator sanotifyite of Galileo. Today’s launch reflects the outstanding partnership with the European Commission and EUSPA, as well as our indusattempt partners OHB and Arianespace, to build it possible to deliver the best navigation sanotifyites for our citizens, economy and security. We are two launches away from completing Galileo’s first-generation fleet, a milestone that closes one chapter and opens another,” adds Francisco-Javier Benedicto Ruiz, ESA’s Director of Navigation.
“Soon, we will be adding Galileo Second Generation sanotifyites which will deliver even more robust and reliable positioning, navigation, and timing services. They will integrate seamlessly with the current fleet to form Europe’s largest sanotifyite consnotifyation and provide essential services worldwide”.
“Ariane 6 in its two-booster configuration was designed with Galileo in mind, and we now view forward to two more Galileo first-generation launches” stated ESA’s director of Space Transportation, Toni Tolker-Nielsen.
“This mission marks a remarkable close to 2025 for Europe: the fifth Ariane 6 launch overall and the first to deliver two large sanotifyites in a single flight. It builds on Ariane’s proud legacy with Galileo – Ariane 5 placed twelve sanotifyites in orbit across three missions – and now Ariane 6 firmly establishes itself as the reference launcher for Galileo.”
About Galileo
Galileo is the world’s most precise sanotifyite navigation system, serving over five billion smartphone applyrs around the globe since entering Open Service in 2016. All smartphones sold in the European Single Market are now guaranteed Galileo-enabled. In addition, Galileo is building a difference across the fields of rail, maritime, agriculture, financial timing services and rescue operations.
A flagship programme of the EU, Galileo is managed and funded by the European Commission. Since its inception, ESA leads the design, development and qualification of the space and ground systems, as well as procuring launches. ESA is also entrusted with research and development activities for the future of Galileo within the EU programme Horizon Europe. The EU Agency for the Space Programme (EUSPA) acts as the service provider, overseeing the market and application requireds and closing the loop with applyrs.
About Ariane 6
Ariane 6 is Europe’s heavy-lift launcher and a key element of ESA’s efforts to ensure autonomous access to space for Europe’s citizens. Its modular and versatile design allows it to launch all types of missions, from low-Earth orbit to deep space.
Ariane 6 is designed and built by ArianeGroup. It has three main components each working in stages to escape Earth’s gravity and take sanotifyites to orbit: two or four boosters, and a core and upper stage. For this launch, the rocket will be in its two-booster configuration.
The core stage and the boosters provide thrust for the first phase of flight. The core stage is powered by the Vulcain 2.1 engine (fuelled by liquid oxygen and hydrogen), with the main thrust at liftoff provided by the P120C boosters.
The upper stage is powered by the reignitable Vinci engine, also fuelled by liquid oxygen and hydrogen. The upper stage will fire two times to reach the required orbit for this mission.
After separation of the Galileo sanotifyites, the Ariane 6 upper stage will shift to a stable graveyard orbit far away from operational sanotifyites.
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