Ceres 1, 2, 3

CapacitÉ de Renseignement Electromagnétique Spatiale

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General

Designation	49464 / 21105A 49465 / 21105B 49466 / 21105C
Launch date	16 Nov 2021
Country of origin	France
Mission	Military: SIGINT
Perigee/Apogee	679 km
Inclination	75°
Period	98.2 min
Launch vehicle	Vega #20

Three identical LEO satellites for the French military to procure the signal intelligence. Equipped with high-performance sensors, these satellites also offer all-weather, daily revisit frequency and are capable of collecting data enabling the characterisation and location of transmitters.

CNES assists DGA for project management; it supplies and operates the satellite control ground segment.

Followup of the Elisa and Essaim programs.

sat-index articles

n2yo.com tracking

Technical data

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Specifications

Prime contractor	Airbus Defence and Space
Platform	Astrobus-M
Mass at launch	225 kg
Dry mass
Dimension
Solar array
Stabilization
DC power
Design lifetime

Thales is in charge of the ground segment and satellite bus.

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