Names | IS-39 |
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Mission type | Communications |
Operator | Intelsat |
COSPAR ID | 2019-049B[1] |
SATCAT no. | 44476 |
Website | Intelsat 39 |
Mission duration | 15 years (planned) Elapsed: 4 years, 11 months and 6 days |
Spacecraft properties | |
Spacecraft | Intelsat 39 |
Bus | SSL 1300 |
Manufacturer | Space Systems/Loral |
Launch mass | 6,600 kg (14,600 lb) |
Start of mission | |
Launch date | 6 August 2019, 19:30:07 UTC |
Rocket | Ariane 5 ECA (VA-249) |
Launch site | Centre Spatial Guyanais, ELA-3 |
Contractor | Arianespace |
Orbital parameters | |
Reference system | Geocentric orbit |
Regime | Geostationary orbit |
Longitude | 62° East |
Transponders | |
Band | 128 transponders: 56C-band 72Ku-band |
Coverage area | Asia, Africa, Europe, and the Middle East |
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]
Intelsat 39 was launched on August 6, 2019, on an Ariane 5 launch vehicle from the Guiana Space CenterinKourou, 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.
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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