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SESAT 1 → Eutelsat 16C

SESAT 1 [Eutelsat]

The SESAT 1 (Siberia - Europe SATellite) provides a wide range of telecommunications services over a very large geographical coverage area extending from the Atlantic Ocean to Eastern Russia, including a large part of Siberia. The satellite also provides similar services within the Indian Sub-Continent by means of a Steerable Spotbeam. Sharing the 36 East orbital position with the Eutelsat W4 satellite, SESAT contributes to the development of international, regional and domestic services, such as thin route telephony, corporate and specialised data services and long distance trunk telephony. It facilitates the development of new markets in far eastern Europe and southern Asia for all types of telecommunication and business services, as well as providing full interconnectivity with western and central Europe.

Launched directly into a geostationary orbit by the Proton-K Blok-DM-2M launch vehicle on 18th April 2000, SESAT provides a total of 18 communications transponders for a minimum operational lifetime of 10 years.

In December 2011 Eutelsat announced, that their satellite assets will be renamed under a unified brand name effective from March 2012. This satellite became Eutelsat 16C.

In February 2018, after 17 years and 10 month service, the satellite was decomissioned and put into a graveyard orbit.

Nation: International
Type / Application: Communication
Operator: Eutelsat
Contractors: NPO Prikladnoi Mekhaniki (NPO PM) (bus), Alcatel Space (payload)
Equipment: 18 Ku-band transponders
Configuration: MSS-2500-GSO (MSS-727)
Propulsion: 8 × SPT-100 Stationary Plasma Thrusters
Power: 2 deployable solar arrays, batteries
Lifetime: 10 years
Mass: 2500 kg
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
SESAT 1 → Eutelsat 16C 2000-019A 17.04.2000 Ba LC-200/39 Proton-K Blok-DM-2M


  • Alcatel Space Website
Further Eutelsat SESAT missions:
Further Eutelsat missions:

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