European Space Operations Centre
ESOC Main Control Room in Darmstadt
|Formation||8 September 1967|
|Purpose||Spacecraft ground control|
Head of Establishment
|European Space Agency|
|Remarks||ESOC is one of nine establishments operated by ESA|
The European Space Operations Centre (ESOC) serves as the main mission control centre for the European Space Agency (ESA) and is located in Darmstadt, Germany. ESOC's primary function is the operation of unmanned spacecraft on behalf of ESA and the launch and early orbit phases (LEOP) of ESA and third-party missions. The Centre is also responsible for a range of operations-related activities within ESA and in cooperation with ESA's industry and international partners, including ground systems engineering, software development, flight dynamics and navigation, development of mission control tools and techniques and space debris studies.
ESOC's current major activities comprise operating planetary and solar missions, such as Mars Express and the ExoMars Trace Gas Orbiter, astronomy & fundamental physics missions, such as Gaia (spacecraft) and XMM Newton, and Earth observation missions such as CryoSat2 and Swarm (spacecraft).
ESOC is responsible for developing, operating and maintaining ESA's ESTRACK network of ground stations. Teams at the Centre are also involved in research and development related to advanced mission control concepts and Space Situational Awareness, and standardisation activities related to frequency management; mission operations; tracking, telemetry and telecommanding; and space debris.
ESOC's current missions comprise the following:
Planetary and solar missions
Astronomy and fundamental physics missions
Earth observation missions
- JUpiter ICy moons Explorer (JUICE)
- Solar Orbiter
- the remaining satellites of the Sentinel programme
ESOC hosts the control centre for the Agency's European Tracking ESTRACK station network. The core network comprises 9 stations in seven countries: Kourou (French Guiana), Maspalomas, Villafranca and Cebreros (Spain), Redu (Belgium), Santa Maria (Portugal), Kiruna (Sweden), Malargüe (Argentina) and New Norcia (Australia). Operators are on duty at ESOC 24 hours/day, year round, to conduct tracking passes, uploading telecommands and downloading telemetry and data.
In addition to 'pure' mission operations, a number of other activities take place at the Centre, most of which are directly related to ESA's broader space operations activities.
- Flight dynamics: A team is responsible for all orbital calculations and orbit determinations.
- Mission analysis: Selection and calculation of possible orbits and launch windows
- Software development: Mission control systems and spacecraft management tools
- ESA Navigation Support Office: Calculating and predicting GPS and Galileo satellite orbits
- Ground station engineering: Developing deep-space tracking technology
- Space debris: Coordinating ESA's debris research, provision of conjunction warning services and cooperating with agencies worldwide
- Frequency management: Helping manage radio spectrum used by all satellite operators
The European Space Operations Centre was formally inaugurated in Darmstadt, Germany, on 8 September 1967 by the then-Minister of Research of the Federal Republic of Germany, Gerhard Stoltenberg. Its role was to provide satellite control for the European Space Research Organisation (ESRO), which is today known as its successor organisation, the European Space Agency (ESA).
The 90-person ESOC facility was, as it is today, located on the west side of Darmstadt; it employed the staff and resources previously allocated to the European Space Data Centre (ESDAC), which had been established in 1963 to conduct orbit calculations. These were augmented by mission control staff transferred from ESTEC to operate satellites and manage the ESTRACK tracking station network.
Within just eight months, ESOC, as part of ESRO, was already operating its first mission, ESRO-2B, a scientific research satellite and the first of many operated from ESOC for ESRO, and later ESA.
By July 2012, ESOC had operated over 56 missions spanning science, Earth observation, orbiting observatories, meteorology and space physics.
Location and expansion
ESOC is located on the west side of the city of Darmstadt, some 500 m (1,600 ft) from the main train station, at Robert-Bosch-Straße 5. In 2011, ESA announced the first phase of the ESOC II modernisation and expansion project valued at €60 million. The new construction will be located across Robert-Bosch-Straße, opposite the current centre.
At ESOC, ESA employs approximately 800, comprising some 250 permanent staff and about 550 contractors. Staff from ESOC are routinely dispatched to work at other ESA establishments, ESTRACK stations, the ATV Control Centre (Toulouse), the Columbus Control Centre (Oberpfaffenhofen) and at partner facilities in several countries.
- ATV Control Centre (Toulouse, France)
- Columbus Control Center (Oberpfaffenhofen, Germany)
- European Space Research and Technology Centre (ESTEC)
- European Space Astronomy Centre (ESAC)
- European Centre for Space Applications and Telecommunications (ECSAT)
- ESA Centre for Earth Observation (ESRIN)
- European Union Satellite Centre (EU SatCen)
- Establishments and facilities / Welcome to ESA / About Us / ESA
- ESA Spacecraft Operations - About us & frequently asked questions
- ESA’s Ground Systems Engineering Team
- Where missions come alive
- ESA Space Operations
- ESTRACK Network Operations Centre
- ESOC Flight Dynamics
- Mission operations and control system software
- ESA Navigation Facility
- Ground Station Engineering
- ESA Space Debris Office
- Frequency management
- ESA pays tribute to ESOC's 40th anniversary
- History of the European Space Agency 1958 – 1987
- EUROPE INTO SPACE:THE AUGER YEARS, page 35
- ESA mission history
- Google map
- ESA operations centre to be expanded
- About us & frequently asked questions (FAQ)
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