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Syracuse 4A

active
CommunicationsHEOCOSPAR 2021-095BLaunched 10/24/2021
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Mission & Launch
Launch Mission
SES-17/Syracuse 4A
Launch Vehicle
Ariane 5ECA+
Launch Date
10/24/2021
Orbit & Mass
Orbit Class
HEO
Altitude
23,742 km
Inclination
4.51 deg
Dry Mass
3,200 kg
Total Mass
3,852 kg
Payload Classification
Mission Type
Communications
Payload Category
COM
Payload Class
D
Organizations
Operator
French Armament General Directorate (DGA)
Manufacturer
Thales Alenia Space
Registry
COSPAR ID
2021-095B
UN Registration
ST/SG/SER.E/1047
Track
Mentions
10
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

SYRACUSE 4A and SYRACUSE 4B manage X-band and Ka-band resources to support forces deployed across their coverage area.

CapabilityValue 3.8Jul 9, 2023SYRACUSE 4B successfully launched by Ariane 5’s final space push

SYRACUSE 4B embarks the same payload as SYRACUSE 4A, with the payload built by Thales Alenia Space and key components provided by Airbus.

Capability
Relationships
Value 4.0
Jul 9, 2023
SYRACUSE 4B successfully launched by Ariane 5’s final space push

SYRACUSE 4A and SYRACUSE 4B manage X-band and Ka-band resources to provide increased operational flexibility across their coverage area.

CapabilityGeneralValue 3.5Jul 6, 2023Airbus, Thales Alenia Space launch Military Communications Satellite

SYRACUSE 4B embarks the same payload as SYRACUSE 4A, with SYRACUSE 4A’s payload built by Thales Alenia Space and key components provided by Airbus.

CapabilityRelationshipsValue 4.0Jul 6, 2023Airbus, Thales Alenia Space launch Military Communications Satellite

Thales Alenia Space is responsible for SYRACUSE 4A, which is based on the 100% electric SpaceBus Neo platform, and for the two payloads.

CapabilityValue 4.0Jul 5, 2023Arianespace’s flight VA261 mission a success for Ariane 5’s grand finale

Ariane 5 successfully launched a mission on 2021-10-23 placing the SES-17 communications satellite for SES and the Syracuse 4A communications satellite for France’s military into geostationary transfer orbit.

GeneralPlanCapabilityValue 5.0Oct 28, 2021JWST launch preparations on track

Ariane 5 VA255 successfully orbited two satellites built by Thales Alenia Space: SES-17 and SYRACUSE 4A.

RelationshipsCapabilityPlanValue 4.0Oct 24, 2021UPDATE 1: Thales Alenia Space Built SES-17 + SYRACUSE 4A Satellites Successfully Launched By Arianespace

Syracuse 4A is built on the all-electric Spacebus NEO platform and features cyber-defense and data encryption technologies supplied by Thales.

CapabilityValue 4.0Oct 24, 2021UPDATE 1: Thales Alenia Space Built SES-17 + SYRACUSE 4A Satellites Successfully Launched By Arianespace

SYRACUSE 4A will support NATO and European-led operations and connect French armed forces deployed at sea, in the air, and on the ground.

CapabilityValue 3.6Oct 24, 2021UPDATE 1: Thales Alenia Space Built SES-17 + SYRACUSE 4A Satellites Successfully Launched By Arianespace

Syracuse 4A and 4B are designed to carry Ka- and X-band payloads.

CapabilityValue 4.0Nov 6, 2018France to add third Syracuse 4 satellite to future milsatcom fleet