TURKSAT-4B communications satellite
DS2000 Platform
Separated spacecraft mass: 4,924 kg

Launch Vehicle:
Proton M/Breeze M
705,000 kg (1,554,000 lb), including payload
58.2 m (191ft)

Launch Date:
16 October 2015 (GMT)

Launch Time:
02:40:11 Baikonur, 17 October 2015
05:40:11 Tokyo, 17 October 2015
16:40:11 ET, 16 October 2015
20:40:11 GMT, 16 October 2015
23:40:11 Turkey, 16 October 2015

Launch Site:                       
Baikonur Cosmodrome, Kazakhstan
Launch Pad 39

Satellite Operator:             

Satellite Manufacturer:
Mitsubishi Electric Corporation, Japan

Launch Vehicle Manufacturer
Khrunichev State Research and Production Space Center, Russia

Launch Services Provider:
International Launch Services, USA

Satellite Use:                      
TURKSAT-4B is a commercial communication satellite built by Mitsubishi Electric. The satellite will provide telecommunication and direct TV broadcasting services over a wide geographic region between west of China and east of England spanning Turkey, as well as Europe, Central Asia, the Middle East and Africa. TURKSAT-4B will be positioned at 50 degrees east longitude and consists of multiple transponders with an expected on-orbit maneuver life of 30 years. TURKSAT-4B satellite will expand the space capacity of Turkey and provide enhanced performance to its coverage areas. The satellite will provide high flexibility of switchability and connectivity among different service areas to its customers.

Satellite Statistics:         
_Mitsubishi Electric’s DS2000 platform
_36 transponders
_2084 MHz communications capacity
_Extensive coverage and connectivity over Turkey, Europe, Middle East, Asia and Africa
_Satellite Maneuver Lifetime: 30 years

Mission Profile:
The Proton M launch vehicle, utilizing a 5-burn Breeze M mission design, will lift off from Pad 39 at Baikonur Cosmodrome, Kazakhstan, with the TURKSAT-4B satellite on board. The first three stages of the Proton will use a standard ascent profile to place the orbital unit (Breeze M upper stage and the TURKSAT-4B satellite) into a sub-orbital trajectory. From this point in the mission, the Breeze M will perform planned mission maneuvers to advance the orbital unit first to a circular parking orbit, then to an intermediate orbit, followed by a transfer orbit, and finally to a geostationary transfer orbit. Separation of the TURKSAT-4B satellite is scheduled to occur approximately 9 hours, 13 minutes after liftoff.

Target Orbit  at Separation:
Perigee: 9,281 km
Apogee: 35,786 km
Inclination: 13.2 degrees

Spacecraft Separation:
Approximately 9 hours, 13 minutes after liftoff

ILS Mission Statistics:
_4th ILS Proton Launch in 2015
_91st ILS Proton Launch Overall
_2nd  TURKSAT Satellite Launched on ILS Proton
_2nd  Mitsubishi Electric  Satellite Launched on ILS Proton

Live Broadcast:                 
Live Coverage starting at 16:15 ET
Launch is scheduled for 16:40:11 ET
Webcast concludes no later than 17:00 ET

Webcast can be seen at:

More Information:   

Live streaming will begin approximately 20 minutes before liftoff.  General mission information and launch status updates are available at You can also follow us on Twitter and “like” us on Facebook for mission updates.


Media Inquiries:
Karen Monaghan, Director of Communications and Customer Relations, International Launch Services, Reston, Va.; +1-571-633-7549; mobile: +1-571-282-5195;


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