Engineering:Intelsat 39

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Short description: Geostationary communications satellite
Intelsat 39
NamesIS-39
Mission typeCommunications
OperatorIntelsat
COSPAR ID2019-049B[1]
SATCAT no.44476
WebsiteIntelsat 39
Mission duration15 years (planned)
Elapsed: 4 years, 11 months and 5 days
Spacecraft properties
SpacecraftIntelsat 39
BusSSL 1300
ManufacturerSpace Systems/Loral
Launch mass6,600 kg (14,600 lb)
Start of mission
Launch date6 August 2019, 19:30:07 UTC
RocketAriane 5 ECA (VA-249)
Launch siteCentre Spatial Guyanais, ELA-3
ContractorArianespace
Orbital parameters
Reference systemGeocentric orbit
RegimeGeostationary orbit
Longitude62° East
Transponders
Band128 transponders:
56 C-band
72 Ku-band
Coverage areaAsia, Africa, Europe, and the Middle East
← Intelsat 38
 

Intelsat 39, also known as IS-39, is a geostationary communications satellite operated by Intelsat and designed and manufactured by Space Systems/Loral (now subsidiary of Maxar Technologies) on the SSL 1300 satellite bus. It covers Asia, Africa, Europe, and the Middle East from the 62° East longitude. It has a mixed C-band and Ku-band.[2]

Launch

Intelsat 39 was launched on August 6, 2019, on an Ariane 5 launch vehicle from the Guiana Space Center in Kourou, French Guiana, along with EDRS-C/HYLAS-3. From there, the satellite achieved its geostationary orbit by firing its main engine and was positioned at its position at 62° East, replacing Intelsat 902. File:Arianespace Flight VA249 - Launch Sequence.webm

Specifications

Intelsat announced in May 2016 that they had commissioned the satellite manufacturer Space Systems/Loral to produce a modern communications satellite for their fleet. It has powerful C-band and Ku-band transponders, a projected lifespan of more than 15 years and is powered by two solar panels and batteries. It is also three-axis stabilized and weighs around 6,600 kilograms (14,600 pounds). For propulsion, the satellite has both chemical and electric thrusters, using only electric propulsion for in-orbit attitude control.[3]

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References