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Arianespace launched two satellites for Europe’s Galileo satellite navigation system on 2021-12-04.
The launch on 4 December 2021 brought the total number of Galileo satellites launched to 28 satellites.
Galileo provides positioning services to more than 2 billion users worldwide.
Students of the Online Ladybird Guide to Spacecraft Communications Training Course 2022 learn about ESA’s European Space Security and Education Centre (ESEC) and activities performed on site, including Galileo and PROBA spacecraft operations.
Two new Galileo satellites were launched from the European spaceport in Kourou, French Guiana on 4 December 2021.
Telespazio, part of the joint venture Spaceopal with German space agency DLR that manages Galileo Control Centres, projects a 10-day transfer from launch to the payloads’ final orbit at 23,222 km.
The Galileo satellites are built by prime contractor OHB System, with payloads supplied by Surrey Satellite Technology Ltd (SSTL), an Airbus Defence and Space subsidiary.
VS26 raised Galileo’s total fleet to 28 satellites.
Prior to VS26, 14 of the 26 Galileo satellites already in orbit had been launched by Soyuz between 2011 and 2016, and 12 had been launched by Ariane 5 between 2016 and 2018.
Galileo operates under civilian control and offers high-precision positioning, navigation, and timing services to more than 2.3 billion users worldwide.
Arianespace’s 13th launch of 2021 was the 8th Soyuz mission of the year and launched the Galileo FOC 23-24 satellites into Medium Earth Orbit (MEO).
Galileo provides dual frequencies as standard to deliver real-time positioning accuracy down to the meter range.
Galileo Second Generation satellites featuring enhanced navigation signals and capabilities are in development with deployment expected to begin by 2024.
Galileo satellites 27 and 28 are scheduled to be launched by a Soyuz launcher from Europe’s Spaceport in French Guiana on 2 December at 01:31 CET (1 December at 21:31:27 local Kourou time).
Galileo satellites 27 and 28 are scheduled to be launched for the European Space Agency (ESA) by a Soyuz launcher from Europe’s Spaceport in French Guiana on 2021-12-02 at 01:31 CET (2021-12-01 at 21:31:27 local Kourou time).
The two satellites to be launched will add to the 26 Galileo satellites already in orbit and delivering Initial Services around the globe.
These two Batch-3 satellites will add to the 26-satellite Galileo constellation already on orbit and delivering initial services around the globe.
The pair of Galileo Batch-3 satellites are the first of a total of 12 Batch-3 satellites manufactured by OHB Systems and their suppliers from across Europe.
Arianespace will launch two Galileo navigation satellites from Kourou in French Guiana aboard a Soyuz rocket on Thursday, 2021-12-02 (CET).
RUAG Space provided thermal insulation for the Galileo satellites that protects them from temperature differences of about 400 degrees Celsius between their sun-facing and cold sides.