Successful deployment and AOS confirmed for both passengers. This concludes the career of Ariane 5.
Update ↗
Syracuse 4B & Heinrich Hertz (H2Sat)
Ariane 5 ECA+
Historical mission record
This page records Ariane 5 ECA+ | Syracuse 4B & Heinrich Hertz (H2Sat) and its reported outcome: Launch Successful. The date above is a historical record.
Source record updated . This is a source update, not a confirmed launch time.
Check the source: Source ↗ · [Livestream] Ariane 5’s final flight (VA261) ↗ · Launch Library ↗
What changed?
Status reported by the mission data provider.
Mission
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 vehicle
- Ariane 5 ECA+
- Mission type
- Communications
- Destination orbit
- Geostationary Transfer Orbit
- Launch pad
- Ariane Launch Area 3
- Provider
- Arianespace
The vehicle
Published configuration and flight history.

Ariane 5 ECA+
Ariane 5 ECA+ is a variant of the Ariane 5 heavy-lift vehicle, with a taller ECA-D upper stage.
- Height
- 57.7 m
- Diameter
- 5.4 m
- Stages
- 2
- Recorded launches
- 11
- First flight
- 2019-08-07
Recorded timing
This is a mission record, not an upcoming calendar appointment.
Target ·
The target marker shows its position within the published window. The schedule may change before launch.
Launch site & orbit
Guiana Space Centre, French Guiana
Launch site & orbit
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Understand this orbit
Coverage & sources
Links supplied by the mission data provider.
Coverage and times may change.
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