Reston, VA – April 20, 2012
Payload:
Y1B communications satellite
Eurostar E3000 Platform
Separated Spacecraft Mass: <6,100 kg (13,448 lb)
Launch Vehicle:
Proton M/Breeze M
705,000 kg (1,554,000 lb), including payload
58.2 m (191 ft)
Launch Date:
April 24, 2012
Launch Time:
04:18:13 Baikonur
00:18:13 CEST
18:18:13 EDT, April 23
22:18:13 GMT, April 23
Launch Site:
Baikonur Cosmodrome, Kazakhstan
Launch Pad 39
Launch Customer:
Yahsat, Abu Dhabi, UAE
Satellite Manufacturer:
Thales Alenia Space, Cannes, France
Astrium, Paris, France
Launch Vehicle Manufacturer:
Khrunichev State Research and Production Space Center, Moscow
Launch Services Provider:
International Launch Services, Reston, Va
Satellite Use:
Second Yahsat satellite to be launched in one year, Y1B will deliver communications in Ka-band for both commercial and governmental users. It will provide high-data rate internet services for public and private users in the Middle East, Africa and Southwest Asia above the limitations of existing terrestrial and satellite systems. Y1B commercial communication payload uses state of the art Ka-band multi spot-beam technology, achieving cost-effective bandwidth supply through 61 narrow spot beams.
Satellite Statistics:
_55th Eurostar overall, 27th Eurostar E3000 satellite
_14 kW spacecraft electrical power
_Chemical and electrical propulsion (4 SPT-100 plasma thrusters)
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 Y1B 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 Y1B 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 Y1B satellite is scheduled to occur approximately 9 hours, 12 minutes after liftoff.
Target Orbit at Separation:
Perigee: 3,945 km
Apogee: 35,786 km
Inclination: 23.8 degrees
Spacecraft Separation:
Approximately 9 hours, 12 minutes after liftoff
ILS Mission Statistics:
_1st Yahsat Satellite Launched on ILS Proton
_3rd ILS Proton Launch in 2012
_14th Eurostar Satellite Launched on ILS Proton
_72nd ILS Proton Launch Overall
Live Broadcast/Webcast:
Live Coverage starting April 23rd, 18:00 EDT / 22:00 GMT.
Launch is scheduled for 18:18:13 EDT / 22:18:13 GMT.
Launch Broadcast concludes no later than 19:00 EDT / 23:00 GMT.
Webcast can be seen at: http://y1b.imgondemand.com and for subscribers of Satellite Today at: http://accessintelligence.imirus.com/Mpowered/book/vils12/i2/p1
SD and HD Test for Europe and Abu Dhabi will begin at 17:00 Eastern/21:00 GMT
BAIKONUR to US signal starts at 17:00 Eastern/21:00 GMT
Baikonur to Washington, DC Feed:
EUTELSAT 10A (EX W2A) 10 degrees East
TXP B3 CHANNEL 6MHZ SLOT 3C6
UPLINK FREQ.: 14354 MHZ POL Y BY KAZ-004
DOWNLINK FR.: 11054 MHZ POL X
SD 625 16:9 50Hz DVBS2 8PSK 4.9373Ms/s FEC 3/4,
P RoF 0.2 (11_SD MPEG2 422 10.7514 Mbps)
AUDIO:1 SOUND MONO
AUDIO:2 SOUND MONO
EBU REF 12/026232/01
In Europe and Abu Dhabi, the Launch Broadcast will be seen on the following in HD:
EUTELSAT 10A (EX W2A) 10 deg East TXP C05 CHANNEL 36MHZ 5A36 (USPORT MUX SVC-123)
UPLINK FREQ.: 13104.17 MHZ POL X BY RAMB1 USMUX1 W2A C05 KU UP
DOWNLINK FR.: 11304.17 MHZ POL Y
HD 1080i 50Hz DVBS2 8PSK 30.0Ms/s FEC 5/6,
P RoF 0.2 (72_MUX MPEG2 420 72.669 Mbps)
AUDIO:1 SOUND MONO
AUDIO:2 SOUND MONO
EBU REF 12/026233/01
In Europe and Abu Dhabi, the Launch Broadcast will be seen on the following in SD:
EUTELSAT 10A (EX W2A) 10 degrees East TXP B3 CHANNEL 6MHZ SLOT 3D6
UPLINK FREQ.: 14360 MHZ POL Y BY D-FRA-022 UP1
DOWNLINK FR.: 11060 MHZ POL X
SD 625 16:9 50Hz DVBS2 8PSK 4.9373Ms/s FEC 3/4,
P RoF 0.2 (11_SD MPEG2 422 10.7514 Mbps)
AUDIO:1 SOUND MONO
AUDIO:2 SOUND MONO
EBU REF 12/026951/01
More Information:
Live streaming will begin approximately 20 minutes before liftoff. General mission information and launch status updates are available at www.ilslaunch.com. You can also follow us on Twitter and “like” us on Facebook for mission updates.