LAUNCH CENTER
SES-15
LAUNCH PREVIEW
Launch Time
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(11:54 AM UTC)
Launch Window Start
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(11:54 AM UTC)
Launch Window End
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(11:54 AM UTC)
RECOVERY OVERVIEW
Location
No Recovery Specified
Type
No Recovery Specified
Rocket Details
Name:
Soyuz STA FregatDescription:
The 2.1a version includes conversion from analogue to digital flight control system and uprated engines on the booster and the first stage with improved injection systems. The new digital flight control and telemetry systems allow the rocket to launch from a fixed rather than angled launch platform and adjust its heading in flight. A digital control system also enables the launch of larger commercial satellites with wider and longer payload fairings such as the ST-type fairing. These fairings introduce too much aerodynamic instability for the old analogue system to handle. This stage continues to use the RD-0110 engine. The 2.1a/ST version is sometimes called Soyuz ST-A.
MISSION OVERVIEW
- Type: Communications
- SES 15 is a geostationary communications satellite operating in Ka- and Ku-bands in North America, which uses electric propulsion for initial orbit raising and all on-orbit manoeuvres.
COMPLEX OVERVIEW
Location
Kourou, French Guiana
Pad
Soyuz Launch Complex