July 5, 2023 10:00 pm
Syracuse 4B & Heinrich Hertz (H2Sat)
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Ariane 5 ECA+
Guiana Space Centre, French Guiana
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Last Updated:
2026-07-11 13:10:08
Syracuse 4B is a French military communications satellite built by Thales Alenia Space. Heinrich Hertz (H2Sat) is a small geostationary communications satellite built by OHB System and the German Aerospace Center (DLR) to explore and test new broadband communications technologies.
Launch Overview
Window Open
22:00 UTC
Window Close
23:05 UTC
Lift Off
Jul 5, 2023 · 22:00 UTC
Launch Facility
Guiana Space Centre, French Guiana
Launch Pad
Ariane Launch Area 3
Target Orbit
Geostationary Transfer Orbit
Payload Overview
Customer
Arianespace
Payload
Syracuse 4B & Heinrich Hertz (H2Sat)
Rocket
Ariane 5 ECA+
Destination
Geostationary Transfer Orbit
Recovery Overview
Landing Location
See Mission Notes
Landing Type
RTLS / Droneship
Watch Live
📺 Watch on YouTube
Syracuse 4B is a French military communications satellite built by Thales Alenia Space. Heinrich Hertz (H2Sat) is a small geostationary communications satellite built by OHB System and the German Aerospace Center (DLR) to explore and test new broadband communications technologies.
Height
LEO Payload
Total Launches
Status
Arianespace
Ariane Launch Area 3
Launch Overview
Window Open
22:00 UTC
Window Close
23:05 UTC
Lift Off
Jul 5, 2023 · 22:00 UTC
Launch Facility
Guiana Space Centre, French Guiana
Launch Pad
Ariane Launch Area 3
Target Orbit
Geostationary Transfer Orbit
Payload Overview
Customer
Arianespace
Payload
Syracuse 4B & Heinrich Hertz (H2Sat)
Rocket
Ariane 5 ECA+
Destination
Geostationary Transfer Orbit
Recovery Overview
Landing Location
See Mission Notes
Landing Type
RTLS / Droneship
Watch Live
📺 Watch on YouTube
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