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Media Advisory: ILS Proton to Launch QuetzSat-1

September 23, 2011

Payload:    
QuetzSat-1
SS/L 1300

Separated spacecraft mass:
5,514 kg

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

Launch Date:    
30 Sept 2011, Baikonur

Launch Time:    
00:32 Baikonur
20:32 Luxembourg, 29 Sept
18:32 GMT, 29 Sept
14:32 EDT, 29 Sept
11:32 PDT, 29 Sept

Launch Site:    
Baikonur Cosmodrome, Kazakhstan
Launch Pad 39

Launch Customer:    
SES, Luxembourg

Satellite Manufacturer:    
Space Systems/Loral, Palo Alto, Ca

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

Launch Services Provider:    
International Launch Services, Reston, Va.

Satellite Use:    
QuetzSat-1, part of the 45+ satellite fleet of SES, will be located at the 77 degree west orbital location at which the Mexican Government has granted the DTH frequency rights to QuetzSat S. de R.L. de C.V., a Mexican-controlled company comprised of SES and Mexican investors. The spacecraft will provide coverage over Mexico, North America and Central America. The spacecraft is fully contracted to EchoStar Corporation and will be used in part by Dish Mexico, an EchoStar joint venture, for DTH services in Mexico and to a subsidiary of DISH Network for use in connection with its U.S. DTH business.

Satellite Statistics:    
__ 32 Ku-band transponders
__ Orbital location: 77 degrees west
__ Anticipated service life:  15 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 QuetzSat-1 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 QuetzSat-1 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 geosynchronous transfer orbit. Separation of the QuetzSat-1 satellite is scheduled to occur approximately 9 hours, 13 minutes after liftoff.

Target Orbit at Separation:
Apogee: 35,786 km (22,236 miles)
Perigee:  5,983 km (3,718 miles)
Inclination: 18.6 degrees

SES-3 Spacecraft Separation:        
Approximately 9 hours, 13 minutes after liftoff

ILS Mission Statistics:    
__19th SES Satellite Launch on ILS Proton
__18th Space Systems/Loral Satellite Launch on ILS Proton
__3rd ILS Proton Launch in 2011
__67th ILS Proton Launch Overall

QuetzSat-1 Launch Broadcast Details:
Live Webcast at http://quetzsat1.imgondemand.com
 
Broadcast can also be seen on DISH Network’s Channel 101.

AMC-3 satellite time from IMG will start at 13:45 EDT, 29 Sept for test signal
European test signals from IMG will start at 13:45 EDT, 29 Sept for test signal  
Baikonur to US signal starts at 13:15 EDT, 29 Sept for test signal 

Live Coverage starting at 14:15 EDT, 29 Sept
Launch is scheduled for  14:32 EDT, 29 Sept
Launch Broadcast concludes no later than 15:15 EDT, 29 Sept
 
In North America, the Launch Broadcast will be Seen on the Following:
AMC3  C04 (36 MHz), booking ID: #136201
87 degrees West
U/L frequency 6005.0 Horizontal
D/L frequency 3780.0 Vertical
Audio – channel 1 and  2
 
In Europe/ Baikonur, the Launch Broadcast will be Seen on the Following:
Eutelsat W2A, B1 Channel 2 Middle  #5-21665
U/L Freq. 14305.00 Vertical
D/L Freq: 11005.00 Horizontal
625 PAL
9 Mhz
Audio:  2 channels
Symbol rate - 5.632
FEC:  3/4  
MPEG:  4:2:0 MPEG2

More Information:    
Live broadcast will begin approximately 20 minutes before liftoff.  General mission information and launch status updates are available at http://www.ilslaunch.com.

Quetzsat-1 Spacecraft

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