Arianespace will launch 2 satellites on an Ariane 5 rocket tonight. Here’s how to watch it live.

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An Ariane 5 rocket will launch two communications satellites into orbit from a South American spaceport tonight (October 23) after a day of delay and you can watch takeoff live online.

French launcher Arianespace will launch the Ariane 5 rocket tonight from the Guyanese Space Center in Kourou, French Guiana, during a 2.5-hour window that will open at 9:01 p.m. EDT (10:01 p.m. local time in Kourou or 0101 GMT Sunday, October 24). The launch will take place after a 24 hour delay to allow more time for ground systems checks.

You can watch the launch in the window above, courtesy of Arianespace, starting approximately 20 minutes before takeoff. You can also attend the launch directly from Arianespace on his website.

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In a statement early this morning, representatives of Arianespace said that an investigation of ground equipment had been completed and that the “anomaly” which thwarted the scheduled launch on Friday “had been identified and corrected”, opening the way to the new launch attempt tonight. The mission will launch the SES-17 communications satellite for the Luxembourg telecommunications provider SES and the Syracuse 4A military communications satellite for the French Ministry of Defense.

“The Ariane launcher and the SES-17 and Syracuse 4A spacecraft are in stable and safe conditions on the launch pad”, Arianespace representatives written in the statement.

The SES-17 communications satellite built by Thales Alenia Space for the Luxembourg company SES. (Image credit: Thales Alenia Space)

Built by Thales Alenia Space, the SES-17 Communications Satellite is a high-speed communications satellite designed to serve SES customers in North America, South America and across the Atlantic Ocean and the Caribbean with coverage high-speed Ka-band communication from a geosynchronous system. orbit.

“It will meet the demands for high-speed and flexible data connectivity in the aviation, marine, business and government segments, advancing the region’s digitization goals and helping to bridge the digital divide,” SES officials said. written in a press release last month.

The satellite carries 200 spot beams with power levels that can be tailored to customer needs and is the first SES satellite to carry a fully digital payload powered by a transparent digital processor, according to Arianespace mission overview.

“Thales Alenia Space’s 5th Generation Transparent Digital Processor (DTP) on board SES-17 enables easy frequency conversions as well as unlimited gateway switching and traffic routing”, Arianespace written in the preview. “Combined with flexible amplifiers, it will meet changing customer requirements and real-time traffic demands. “

Artist’s illustration of the Syracuse 4A military communications satellite which will be launched on an Ariane 5 rocket for the French Ministry of Defense. (Image credit: Thales Alenia Space / Arianespace)

The Syracuse 4A is also built by the French satellite manufacturer Thales Alenia Space and is designed to serve as a communication link between all the French armed forces and has been ordered by the General Directorate of Armaments of the country.

“At sea, in the air or on the ground, the military need secure and powerful means of communication in order to be able to exchange information with the command center”, writes Arianespace in its mission description. “Thanks to its state-of-the-art equipment (anti-jamming antenna and on-board transparent digital processor), Syracuse 4A will guarantee high resistance to extreme jamming methods.”

Syracuse 4A is expected to be joined by two more satellites in the future to create a constellation of military communications satellites that can link the country’s ships, armored vehicles and planes.

“Syracuse 4A will connect most warships, armored vehicles or moving planes: especially Griffon armored vehicles, the upcoming Suffren attack submarines or the Phoenix tanker,” Arianespace officials wrote.

Email Tariq Malik at [email protected] or follow him @tariqjmalik. Follow us on Twitter at @Spacedotcom, to Facebook and Instagram.


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