Encyclopedia Astronautica
Proton/Briz M


Improved Proton orbital launch vehicle. Improvements in lower stages to reduce structural mass, increase thrust, and fully utilize propellants (reducing release of toxic chemicals in stage impact areas). Briz M storable propellant upper stage replaces Block D cyrogenic stage.

LEO Payload: 21,000 kg (46,000 lb). Payload: 4,500 kg (9,900 lb) to a GTO. Failures: 2. First Fail Date: 2006-02-28. Last Fail Date: 2007-09-05.

Stage Data - Proton 8K82K / Briz-M

  • Stage 1. 1 x Proton KM-1. Gross Mass: 450,400 kg (992,900 lb). Empty Mass: 31,000 kg (68,000 lb). Thrust (vac): 10,532.000 kN (2,367,687 lbf). Isp: 317 sec. Burn time: 108 sec. Isp(sl): 285 sec. Diameter: 7.40 m (24.20 ft). Span: 7.40 m (24.20 ft). Length: 21.00 m (68.00 ft). Propellants: N2O4/UDMH. No Engines: 6. Engine: RD-253-14D14. Status: In Production.
  • Stage 2. 1 x Proton K-2. Gross Mass: 167,828 kg (369,997 lb). Empty Mass: 11,715 kg (25,827 lb). Thrust (vac): 2,399.216 kN (539,365 lbf). Isp: 327 sec. Burn time: 206 sec. Isp(sl): 230 sec. Diameter: 4.15 m (13.61 ft). Span: 4.15 m (13.61 ft). Length: 14.00 m (45.00 ft). Propellants: N2O4/UDMH. No Engines: 4. Engine: RD-0210. Other designations: 8S811K. Status: In Production.
  • Stage 3. 1 x Proton K-3. Gross Mass: 50,747 kg (111,877 lb). Empty Mass: 4,185 kg (9,226 lb). Thrust (vac): 630.170 kN (141,668 lbf). Isp: 325 sec. Burn time: 238 sec. Isp(sl): 230 sec. Diameter: 4.15 m (13.61 ft). Span: 4.15 m (13.61 ft). Length: 6.50 m (21.30 ft). Propellants: N2O4/UDMH. No Engines: 1. Engine: RD-0212. Status: In Production.
  • Stage 4. 1 x Proton KM-4 Briz M. Gross Mass: 22,170 kg (48,870 lb). Empty Mass: 2,370 kg (5,220 lb). Thrust (vac): 19.600 kN (4,406 lbf). Isp: 326 sec. Burn time: 3,000 sec. Diameter: 2.50 m (8.20 ft). Span: 4.10 m (13.40 ft). Length: 2.61 m (8.56 ft). Propellants: N2O4/UDMH. No Engines: 1. Engine: S5.98M. Other designations: Briz M. Status: In Production. New upper stage for Proton, replacing Energia Corporation's Block DM, making Proton an all-Khrunichev launch vehicle. The Khrunichev-built Briz-M upper stage is a derivative of the flight-proven Briz -K stage (as used on the Rokot booster). The Briz-M consists of a central cylinder and a jettisonable external propellant tank. Propellant carried is dependent on the specific mission requirements and is varied to maximize performance for the mission. The Briz-M is capable of operating, on-orbit, for a minimum of 24-hours and is controlled by a closed loop, triple redundant guidance system that is commandable in flight.

AKA: Proton M; 8K82M.
Status: Active.
Gross mass: 712,800 kg (1,571,400 lb).
Payload: 21,000 kg (46,000 lb).
Height: 53.00 m (173.00 ft).
Diameter: 4.15 m (13.61 ft).
Span: 7.40 m (24.20 ft).
Thrust: 21,000.00 kN (4,720,000 lbf).
Apogee: 40,000 km (24,000 mi).
First Launch: 2001.04.07.
Last Launch: 2011.09.29.
Number: 50 .

More... - Chronology...


Associated Countries
Associated Spacecraft
  • Raduga First Soviet geosynchronous communications satellite. Operational, first launch 1974.03.26. A single orbital group of two Radugas could handle all communications of the Russian eastern regions. More...
  • Ekran-M Russian communications satellite. 6 launches, 1987.01.30 (Cosmos 1817) to 2001.04.07 (Ekran-M No. 18). Ekran-M provided unique direct television broadcasting service to community users in the central Russian Federation region (Zone 3). More...
  • Ekran-M Russian communications satellite. 6 launches, 1987.01.30 (Cosmos 1817) to 2001.04.07 (Ekran-M No. 18). Ekran-M provided unique direct television broadcasting service to community users in the central Russian Federation region (Zone 3). More...
  • Eurostar 2000 French communications satellite. 24 launches, 1988.03.11 (Telecom 1C) to 2006.11.08 (Badr 4 ARABSAT 4B). More...
  • Eurostar 2000 French communications satellite. 24 launches, 1988.03.11 (Telecom 1C) to 2006.11.08 (Badr 4 ARABSAT 4B). More...
  • FS-1300 American communications satellite bus. Operational, first launch 1989.06.05. More...
  • FS-1300 American communications satellite bus. Operational, first launch 1989.06.05. More...
  • Raduga-1 Russian communications satellite. 8 launches, 1989.06.21 (Raduga 1-1) to 2007.12.09 (Raduga-1). The Raduga-1 geosynchronous communications satellite was to have been the basis for the YeSSS-2 second generation Unified Satellite Communication System. More...
  • Raduga-1 Russian communications satellite. 8 launches, 1989.06.21 (Raduga 1-1) to 2007.12.09 (Raduga-1). The Raduga-1 geosynchronous communications satellite was to have been the basis for the YeSSS-2 second generation Unified Satellite Communication System. More...
  • HS 601 American communications satellite bus. First launch 1990.01.09. 3-axis unified ARC 22 N and one Marquardt 490 N bipropellant thrusters, Sun and Barnes Earth sensors and two 61 Nms 2-axis gimbaled momentum bias wheels. More...
  • HS 601 American communications satellite bus. First launch 1990.01.09. 3-axis unified ARC 22 N and one Marquardt 490 N bipropellant thrusters, Sun and Barnes Earth sensors and two 61 Nms 2-axis gimbaled momentum bias wheels. More...
  • Ekspress Russian communications satellite. Operational, first launch 1994.10.13. The Ekspress series communications satellite closely resembled the Gals spacecraft and shared a similar spacecraft bus. More...
  • Ekspress Russian communications satellite. Operational, first launch 1994.10.13. The Ekspress series communications satellite closely resembled the Gals spacecraft and shared a similar spacecraft bus. More...
  • AS 2100 American communications satellite. Operational, first launch 1996.09.08 (GE 1). Cost per satellite $100 million for the spacecraft including ground support equipment, but not including launch costs. 3-axis stabilized. More...
  • AS 2100 American communications satellite. Operational, first launch 1996.09.08 (GE 1). Cost per satellite $100 million for the spacecraft including ground support equipment, but not including launch costs. 3-axis stabilized. More...
  • Star bus American communications satellite bus. Operational, first launch 1997.11.12 (Cakrawarta 1). The Orbital Star bus was designed for reliable and robust performance in a variety of LEO and GEO missions. More...
  • Star bus American communications satellite bus. Operational, first launch 1997.11.12 (Cakrawarta 1). The Orbital Star bus was designed for reliable and robust performance in a variety of LEO and GEO missions. More...
  • HS 702 American communications satellite bus. Operational, first launched 1999.12.22. More...
  • HS 702 American communications satellite bus. Operational, first launched 1999.12.22. More...
  • Spacebus 4000 European communications satellite bus. Operational, first launch 2005.02.03. The Spacebus 4000 represented a new larger platform to meet customer demand. More...
  • Spacebus 4000 European communications satellite bus. Operational, first launch 2005.02.03. The Spacebus 4000 represented a new larger platform to meet customer demand. More...
  • Eurostar 3000 French communications satellite bus. Operational, first launch 2005.03.11 (Inmarsat 4-F1). Third generation of Matra Marconi Space GEO satellite platforms serving mainly commercial telecommunications applications. More...
  • Eurostar 3000 French communications satellite bus. Operational, first launch 2005.03.11 (Inmarsat 4-F1). Third generation of Matra Marconi Space GEO satellite platforms serving mainly commercial telecommunications applications. More...
  • Garpun Military communications and data relay satellite. Replacement for the Potok series for relay of data from military surveillance satellites. Originally planned for deployment from 2001, the first launch did not come until 2011.09.20. More...

Associated Engines
  • 17D58E Isayev N2O4/UDMH rocket engine.13 N. In Production. Isp=247s. Small attitude control thruster used in Briz, Briz-M upper stage propulsion system S5.98M. More...

See also
  • Proton The Proton launch vehicle has been the medium-lift workhorse of the Soviet and Russian space programs for over forty years. Although constantly criticized within Russia for its use of toxic and ecologically-damaging storable liquid propellants, it has out-lasted all challengers, and no replacement is in sight. More...

Associated Manufacturers and Agencies
  • Chelomei Russian manufacturer of rockets, spacecraft, and rocket engines. Chelomei Design Bureau, Reutov, Russia. More...

Associated Programs
  • DirecTV DirecTV Incorporated began broadcast of satellite-to-home direct television services in mid-1994. Originally a subsidiary of Hughes Communications, the company faced as competitors the similar Primestar and USSB services, as well as older C-band satellite services and cable TV companies. By 2007 it had become the most successful American direct-broadcast television service. More...
  • Eutelsat EUTELSAT regional geostationary telecommunication satellite for European countries. Operated by the EUTELSAT organization. More...
  • Intelsat Intelsat operated the world's first commercial communications satellite. It has provided the scheduled transoceanic television and voice and data communications service ever since. More...

Associated Launch Sites
  • Baikonur Russia's largest cosmodrome, the only one used for manned launches and with facilities for the larger Proton, N1, and Energia launch vehicles. The spaceport ended up on foreign soil after the break-up of Soviet Union. The official designations NIIP-5 and GIK-5 are used in official Soviet histories. It was also universally referred to as Tyuratam by both Soviet military staff and engineers, and the US intelligence agencies. Since the dissolution of the Soviet Union the Russian Federation has insisted on continued use of the old Soviet 'public' name of Baikonur. In its Kazakh (Kazak) version this is rendered Baykonur. More...

Associated Stages
  • Proton KM-3 N2O4/UDMH propellant rocket stage. Loaded/empty mass 50,300/3,700 kg. Thrust 613.80 kN. Vacuum specific impulse 326.5 seconds. More...
  • Proton KM-4 Briz M N2O4/UDMH propellant rocket stage. Loaded/empty mass 22,170/2,370 kg. Thrust 19.60 kN. Vacuum specific impulse 326 seconds. New upper stage for Proton, replacing Energia Corporation's Block DM, making Proton an all-Khrunichev launch vehicle. The Khrunichev-built Briz-M upper stage is a derivative of the flight-proven Briz -K stage (as used on the Rokot booster). More...
  • Proton KM-1 N2O4/UDMH propellant rocket stage. Loaded/empty mass 450,400/31,000 kg. Thrust 10,532.00 kN. Vacuum specific impulse 317 seconds. More...
  • Proton K-2 N2O4/UDMH propellant rocket stage. Loaded/empty mass 167,828/11,715 kg. Thrust 2,399.22 kN. Vacuum specific impulse 327 seconds. More...
  • Proton KM-3 N2O4/UDMH propellant rocket stage. Loaded/empty mass 50,300/3,700 kg. Thrust 613.80 kN. Vacuum specific impulse 326.5 seconds. More...

Proton/Briz M Chronology


2001 April 7 - . Launch Site: Baikonur. Launch Complex: Baikonur LC81/24. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-01.
  • Ekran-M No. 18 - . Payload: Ekran-M s/n 18L. Mass: 1,970 kg (4,340 lb). Nation: Russia. Agency: GPKS. Manufacturer: Reshetnev. Class: Communications. Type: Military communications satellite. Spacecraft: Ekran-M. USAF Sat Cat: 26736 . COSPAR: 2001-014A. Apogee: 35,801 km (22,245 mi). Perigee: 35,771 km (22,227 mi). Inclination: 1.1000 deg. Period: 1,436.10 min. Direct Broadcasting satellite. Maiden flight of new version of Proton. Launch delayed from August 2000, March 16 and April 6. Ekran-M No. 18 was a UHF television broadcasting satellite which was to be stationed at 99 deg E to provided television service to the Russian Far East. The satellite had a launch mass of around 2100 kg and was to replace the recently failed Ekran-M 15 that had been operating since October 1992 at the 105 deg-E longitude orbital slot.

    The improved 3-stage Proton launch vehicle, with a new digital flight control system and enhanced first stage engines, delivered its payload section to a suborbital trajectory at 0356 GMT. The Briz-M upper stage then fired to enter a 200 km parking orbit. It appears that only two more burns were used to reach geostationary orbit: one at around 0440 GMT to enter a 200 x 35800 km GTO, after which the Briz-M toroidal drop tank was jettisoned, and one at around 1000 GMT, to circularize the orbit at geostationary altitude. Briz-M reportedly separated from its payload at 1031 GMT. Ekran was expected to reach its 99 deg E final location on around April 24. As of 5 September 2001 located at 99.27 deg E drifting at 0.009 deg E per day. As of 2007 Mar 11 located at 99.30E drifting at 0.005W degrees per day.


2002 December 29 - . 23:17 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC81/24. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-02.
  • Nimiq 2 - . Mass: 3,600 kg (7,900 lb). Nation: Canada. Agency: Telesat. Manufacturer: Lockheed. Program: Anik. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 2100. USAF Sat Cat: 27632 . COSPAR: 2002-062A. Apogee: 35,796 km (22,242 mi). Perigee: 35,787 km (22,236 mi). Inclination: 0.1000 deg. Period: 1,436.30 min. Summary: Payload moved from Atlas 5. Direct broadcast satellite. As of 2007 Mar 10 located at 82.05W drifting at 0.004W degrees per day..

2004 March 15 - . 23:06 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC81/24. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-03.
  • W3A - . Payload: Eurostar 3000S. Mass: 4,250 kg (9,360 lb). Nation: Europe. Agency: Eutelsat. Manufacturer: EADS Astrium. Program: Eutelsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Spacebus 3000. USAF Sat Cat: 28187 . COSPAR: 2004-008A. Apogee: 35,811 km (22,251 mi). Perigee: 35,761 km (22,220 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Moved from Ariane 5. The satellite was to provide a full range of telecommunications applications including digital DVB broadcasting, multimedia, broadband access and pay-per-use bandwidth for corporate networks over a large zone covering Europe and Africa, for a minimum of 12 years. As of 2007 Mar 10 located at 6.95E drifting at 0.006W degrees per day.

2004 June 16 - . 22:27 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-06.
  • Intelsat 10-02 - . Payload: Eurostar 3000H. Mass: 5,575 kg (12,290 lb). Nation: USA. Agency: Intelsat. Manufacturer: EADS Astrium. Program: Intelsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Spacebus 3000. USAF Sat Cat: 28358 . COSPAR: 2004-022A. Apogee: 35,803 km (22,246 mi). Perigee: 35,771 km (22,227 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Heaviest single payload to geosynchronous transfer orbit to that date. Delayed from late 2003, June 10 and 15, 2004. As of 2007 Mar 9 located at 0.99W drifting at 0.002W degrees per day..

2004 August 4 - . 22:32 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-07.
  • Amazonas - . Payload: Eurostar 3000S. Mass: 4,545 kg (10,020 lb). Nation: Spain. Agency: Hispasat. Manufacturer: EADS Astrium. Program: Hispasat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Spacebus 3000. USAF Sat Cat: 28393 . COSPAR: 2004-031A. Apogee: 35,791 km (22,239 mi). Perigee: 35,783 km (22,234 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Delayed from June, July 25. As of 2007 Mar 10 located at 61.03W drifting at 0.005W degrees per day..

2004 October 14 - . 21:23 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-08.
  • AMC- 15 - . Mass: 4,021 kg (8,864 lb). Nation: USA. Agency: SES Americom. Manufacturer: Lockheed. Program: Americom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 2100. USAF Sat Cat: 28446 . COSPAR: 2004-041A. Apogee: 35,790 km (22,230 mi). Perigee: 35,782 km (22,233 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Communications satellite for SES Americom, equipped with Ku-band and Ka-band transponders. The Briz-M upper stage made three burns, then released the satellite on October 15 at 03:58 GMT into a 7132 x 35780 km x 18.6 deg orbit. AMC-15's on-board engine would be used to maneuver the spacecraft into its final geostationary orbit. As of 2007 Mar 11 located at 105.02W drifting at 0.003W degrees per day.

2005 February 3 - . 02:27 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC81/24. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-09.
  • AMC-12 - . Mass: 5,000 kg (11,000 lb). Nation: USA. Agency: SES Americom. Manufacturer: Cannes. Program: Americom. Class: Communications. Type: Civilian communications satellite. Spacecraft: Spacebus 4000. USAF Sat Cat: 28526 . COSPAR: 2005-003A. Apogee: 35,791 km (22,239 mi). Perigee: 35,782 km (22,233 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Americom 12 satellite, also known as Worldsat 2. The first Alcatel Spacebus 4000 satellite to be launched..

2005 May 22 - . 17:59 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton M s/n 53510 / Breeze M s/n 88512.
  • DirecTV-8 - . Mass: 3,711 kg (8,181 lb). Nation: USA. Agency: DirecTV. Manufacturer: Palo Alto. Program: DirecTV. Class: Communications. Type: Civilian communications satellite. Spacecraft: FS-1300. USAF Sat Cat: 28659 . COSPAR: 2005-019A. Apogee: 35,842 km (22,271 mi). Perigee: 35,711 km (22,189 mi). Inclination: 0.1000 deg. Period: 1,435.60 min. Provided United States direct-television broadcast coverage from the 101 degrees West longitude orbital slot. The satellite carried 16 high-power transponders for high-quality national digital video services. Purchased in October 2003 together with DirecTV-9S for a total price of $220 million for both. As of 2007 Mar 11 located at 100.77W drifting at 0.002W degrees per day.

2005 September 8 - . 19:53 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-12.
  • Anik F1-R - . Payload: Eurostar 3000S. Mass: 4,500 kg (9,900 lb). Nation: Canada. Agency: Telesat. Manufacturer: EADS Astrium. Program: Anik. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 3000. USAF Sat Cat: 28868 . COSPAR: 2005-036A. Apogee: 35,794 km (22,241 mi). Perigee: 35,778 km (22,231 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Moved up from October, delayed from August 9, moved up from September 15 . Telesat Canada communications satellite operating in C- and Ku-band. As of 2007 Mar 10 located at 107.32W drifting at 0.005W degrees per day..

2005 December 29 - . 02:28 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-13.
  • AMC-23 - . Payload: AMC-13, GE-3i, WorldSat 3. Mass: 4,981 kg (10,981 lb). Nation: USA. Agency: SES Americom. Manufacturer: Alenia. Program: Americom. Class: Communications. Type: Civilian communications satellite. Spacecraft: Spacebus 4000. USAF Sat Cat: 28924 . COSPAR: 2005-052A. Apogee: 35,801 km (22,245 mi). Perigee: 35,773 km (22,228 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Delayed from November, December 1 and 6. AMC-23 was to provide Ku-band multimedia and telecommunications services to Pacific rim countries over a planned 16 year life. A C-band payload was partly leased to the Japanese JSAT system. The Briz-M upper stage separated from the three-stage Proton launch vehicle at suborbital velocity, then conducted five engine burns before delivering the satellite to a 6193 km x 35,615 km x 18.5 deg geosynchronous transfer orbit at 11:48 GMT. The satellite would use its own Astrium S400 apogee engine to circularize the orbit at geostationary altitude. As of 2007 Mar 9 located at 171.97E drifting at 0.002W degrees per day.

2006 February 28 - . 20:10 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-11. FAILURE: Briz-M stage shut down 27.5 minutes into a planned 31-minute burn and could not be restarted. The failure left the satellite in a useless orbit from which it quickly decayed... Failed Stage: 4.
  • Arabsat 4 - . Payload: ES-2000+. Mass: 3,341 kg (7,365 lb). Nation: Arab States. Agency: Arabsat. Manufacturer: EADS Astrium. Program: Arabsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 2000. Decay Date: 2006-03-24 . USAF Sat Cat: 28943 . COSPAR: 2006-006A. Apogee: 14,684 km (9,124 mi). Perigee: 497 km (308 mi). Inclination: 51.6000 deg. Period: 273.80 min. Summary: The satellite seperated from the stage but the mission could not be rescued. It was ordered to fire its apogee engine around 00:20 GMT on March 24 to lower its perigee into the atmosphere. It reportedly burned up over the South Pacific at 02:07 GMT..

2006 August 4 - . 21:48 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-14.
  • Hot Bird 8 - . Mass: 4,875 kg (10,747 lb). Nation: Europe. Agency: Eutelsat. Manufacturer: EADS Astrium. Program: Eutelsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 3000. USAF Sat Cat: 29270 . COSPAR: 2006-032A. Apogee: 35,817 km (22,255 mi). Perigee: 35,755 km (22,217 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Ku-band communications direct broadcast satellite to supplement Eutelsat constellation of Hot Birds. As of 2007 Mar 4 located at 13.03E drifting at 0.010E degrees per day..

2006 November 8 - . 20:01 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-15.
  • Badr 4 ARABSAT 4B - . Mass: 3,280 kg (7,230 lb). Nation: Arab States. Agency: Arabsat. Manufacturer: EADS Astrium. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 2000. USAF Sat Cat: 29526 . COSPAR: 2006-051A. Apogee: 35,807 km (22,249 mi). Perigee: 35,764 km (22,222 mi). Inclination: 0.1000 deg. Period: 1,436.00 min. Summary: Dry mass 1487 kg. The satellite provided Ku-band communications services for Arab League countries. As of 2007 Mar 10 located at 26.06E drifting at 0.011E degrees per day..

2006 December 11 - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-21.
  • Measat 3 - . Mass: 4,900 kg (10,800 lb). Nation: Malaysia. Agency: Binarian. Program: Measat. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. USAF Sat Cat: 29648 . COSPAR: 2006-056A. Apogee: 35,792 km (22,240 mi). Perigee: 35,782 km (22,233 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Malaysian communications satellite, to be stationed at 91.5 East together with Measat 1, covering South Asia, Malaysia and Indonesia, and supplementing Measats 1 and 2 launched ten years earlier. The Proton booster released the satellite in a 416 x 35807 x 49.1 deg geosynchronous transfer orbit. The Boeing 601HP 3 axis stabilized spacecraft, had a design lifetime of 15 years. C-band 24 active transponders using 65-watt TWTAs; Ku-band 24 active transponders using 120-watt TWTAs . End of life power of 9.8 kW provided by two solar wings, each with 4 panels of triple-junction gallium arsenide solar cells. A 445N liquid apogee motor circularised the spacecraft in geosynchronous orbit, and 12 x 10 N bipropellant thrusters provided stabilization and stationkeeping. Length in orbit with solar panels deployed 26.2 m; width, with antennas deployed, 7.7 m; stowed diameter 3.8 m. Mass in geostationary orbit after apogee motor maneuver at beginning of life 3220 kg. As of 2007 Mar 11 located at 91.49E drifting at 0.012W degrees per day.

2007 April 9 - . 22:54 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-16.
  • Anik F3 - . Payload: Eurostar 3000S. Mass: 4,634 kg (10,216 lb). Nation: Canada. Agency: Telesat. Manufacturer: Friedrichshafen. Program: Anik. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 3000. USAF Sat Cat: 31102 . COSPAR: 2007-009A. Apogee: 35,795 km (22,241 mi). Perigee: 35,781 km (22,233 mi). Inclination: 0.0000 deg. Period: 1,436.20 min. Summary: Communications satellite with C, Ku and Ka band transponders..

2007 July 7 - . 01:16 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-20 (17?).
  • DirecTV-10 - . Mass: 5,893 kg (12,991 lb). Nation: USA. Agency: DirecTV. Manufacturer: Boeing. Program: DirecTV. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 702. USAF Sat Cat: 31862 . COSPAR: 2007-032A. Apogee: 35,787 km (22,236 mi). Perigee: 35,786 km (22,236 mi). Inclination: 0.0100 deg. Period: 1,436.10 min. First launch of a pair of satellites, DirecTV 10 and 11, that will beam HDTV programs to 500 local markets from the company's primary orbital slot at 101 degrees west longitude. Acquisition and launch cost of $300 million per satellite; one ground spare also built.

2007 September 5 - . 22:43 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M 535-22. FAILURE: Second stage engine failure soon after ignition.. Failed Stage: 2.
  • JCSAT 11 - . Mass: 4,007 kg (8,833 lb). Nation: USA. Agency: ILS. Manufacturer: Lockheed. Program: JCSAT. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 2100. COSPAR: F20070905.

2007 November 17 - . 22:39 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Sirius 4 - . Payload: A2100AX. Mass: 4,600 kg (10,100 lb). Nation: Sweden. Agency: ILS. Manufacturer: Lockheed. Program: Sirius. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 2100. USAF Sat Cat: 32299 . COSPAR: 2007-057A. Apogee: 35,780 km (22,230 mi). Perigee: 35,641 km (22,146 mi). Inclination: 0.0000 deg. Period: 1,432.20 min. Sirius 4 carried Ku-band and Ka-band communications payloads for Nordic, Baltic and East European communications. Three upper-stage burns placed Sirius 4 into a 6916 km x 35478 km x 17.4 deg geostationary transfer orbit. A series of maneuvers by the satellite using its own Leros engine maneuvered the satellite into geosynchronous orbit, stationed at 5 deg East.

2007 December 9 - . 00:15 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC81/24. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n D330.
  • Cosmos 2434 - . Mass: 1,900 kg (4,100 lb). Nation: Russia. Agency: Chelomei. Class: Communications. Type: Military communications satellite. Spacecraft: Raduga-1. USAF Sat Cat: 32373 . COSPAR: 2007-058A. Apogee: 35,802 km (22,246 mi). Perigee: 35,772 km (22,227 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Raduga-1 / Globus communications satellite..

2008 January 28 - . 00:18 GMT - . Launch Site: Baikonur. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Ekspress AM-33 - . Mass: 2,579 kg (5,685 lb). Nation: Russia. Agency: Svyaz. Manufacturer: Reshetnev; Cannes. Class: Communications. Type: Civilian communications satellite. Spacecraft: Ekspress. USAF Sat Cat: 32478 . COSPAR: 2008-003A. Apogee: 35,795 km (22,241 mi). Perigee: 35,779 km (22,231 mi). Inclination: 0.0300 deg. Period: 1,436.12 min. Summary: Stationed at 96.5 degrees east longitude to provide Internet, video, radio, and data services for at a planned 12 year life. The satellite also was earmarked to provide mobile communications for the Russian president and other top government officials..

2008 February 11 - . 11:34 GMT - . Launch Site: Baikonur. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Thor 5 - . Mass: 1,940 kg (4,270 lb). Nation: Norway. Agency: ILS. Program: Thor Comsat. Class: Communications. Type: Military communications satellite. Spacecraft: Star bus. USAF Sat Cat: 32487 . COSPAR: 2008-006A. Apogee: 35,796 km (22,242 mi). Perigee: 35,777 km (22,230 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Ku-band light geostationary satellite operated by Telenor Satellite Broadcasting..

2008 March 14 - . 23:18 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. FAILURE: Premature shutdown of Briz upper stage due to escape of turbine gases through a thin-walled tube..
  • AMC-14 - . Payload: A2100AXS. Mass: 4,140 kg (9,120 lb). Nation: USA. Agency: SES Americom. Manufacturer: Lockheed. Program: Americom. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 2100. USAF Sat Cat: 32708 . COSPAR: 2008-011A. Apogee: 35,979 km (22,356 mi). Perigee: 35,592 km (22,115 mi). Inclination: 14.4700 deg. Period: 1,436.03 min. The Briz M stage failed during its second burn, shutting down by 2 minutes 13 seconds early, leaving the satellite in a 770 km x 26447 km x 49.2 deg orbit. The spacecraft separated and raised this to 772 km x 35576 km x 49.0 deg, but operational geostationary orbit could not be attained and the satellite was a writeoff. AMC 14 had a total mass at launch of 4140 kg of which 2130 kg was propellant. The final orbit attained was an inclined orbit at geostationary altitude.

2008 August 18 - . 22:43 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Inmarsat 4 F3 - . Mass: 4,960 kg (10,930 lb). Nation: USA. Agency: Inmarsat. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 3000. USAF Sat Cat: 33278 . COSPAR: 2008-039A. Apogee: 36,027 km (22,386 mi). Perigee: 36,009 km (22,374 mi). Inclination: 3.1000 deg. Period: 1,447.90 min. Summary: Maritime communications satellite with a solar panel span of 45 m, and a 10-m diameter L-band mobile communications antenna..

2008 September 19 - . 21:48 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Nimiq 4 - . Mass: 4,800 kg (10,500 lb). Nation: Canada. Agency: ILS. Program: Anik. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 3000. USAF Sat Cat: 33373 . COSPAR: 2008-044A. Apogee: 35,749 km (22,213 mi). Perigee: 35,653 km (22,153 mi). Inclination: 0.1000 deg. Period: 1,431.70 min. Summary: Geostationary television broadcasting satellite launched for Telesat..

2008 November 5 - . 20:44 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Astra 1M - . Mass: 5,344 kg (11,781 lb). Nation: Luxembourg. Agency: ILS. Program: Astra. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 3000. USAF Sat Cat: 33436 . COSPAR: 2008-057A. Apogee: 35,795 km (22,241 mi). Perigee: 35,770 km (22,220 mi). Inclination: 0.1000 deg. Period: 1,435.90 min. ASTRA 1M was positioned at Astra's prime 19.2 deg E position, providing pan-European coverage for Direct-to-Home services. Its entry into service would have allowed Astra to redeploy other satellites to its orbital position of 23.5 east. Total power consumption: 9.3 kW BOL, 8.3 kW EOL; Transponder capacity: 36/32 at 26 and 33 MHz; TWTA output power: 150 W; Channel capacity in10.7 - 12.75 GHz: 72 channels (bands D, B, E and F) .

2008 December 10 - . 13:43 GMT - . Launch Site: Baikonur. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Ciel-2 - . Payload: Spacebus 4000C4. Mass: 5,600 kg (12,300 lb). Nation: Canada. Agency: ILS. Class: Communications. Type: Military communications satellite. Spacecraft: Spacebus 4000. USAF Sat Cat: 33453 . COSPAR: 2008-063A. Apogee: 35,793 km (22,240 mi). Perigee: 35,779 km (22,231 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Communications satellite owned by Ciel Satellite Group, Ottawa and controlled from Saskatoon, Canada. Ciel was at the time using Echostar V (redesignated Ciel-1)..

2009 February 11 - . 00:03 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n P342.
  • Ekspress AM-44 - . Mass: 3,672 kg (8,095 lb). Nation: Russia. Agency: Chelomei. Spacecraft: Ekspress. USAF Sat Cat: 33595 . COSPAR: 2009-007A. Apogee: 35,790 km (22,230 mi). Perigee: 35,783 km (22,234 mi). Inclination: 0.0000 deg. Period: 1,436.10 min.
  • Express MD1 - . Mass: 1,140 kg (2,510 lb). Nation: Russia. Manufacturer: Chelomei. Spacecraft: Ekspress. USAF Sat Cat: 33596 . COSPAR: 2009-007B. Apogee: 35,795 km (22,241 mi). Perigee: 35,779 km (22,231 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: C and L-band transponders..

2009 April 3 - . 16:24 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n P344.
  • Eutelsat W2A - . Payload: Spacebus 4000Cr. Mass: 5,900 kg (13,000 lb). Nation: Europe. Agency: ILS. Program: Eutelsat. Spacecraft: Spacebus 4000. USAF Sat Cat: 34710 . COSPAR: 2009-016A. Apogee: 35,808 km (22,250 mi). Perigee: 35,765 km (22,223 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Ku, S and C-band communications payload; stationed at 1.7 deg East..

2009 May 16 - . 00:57 GMT - . Launch Site: Baikonur. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n P345.
  • Protostar 2 / SES 7 - . Payload: HS 601P. Mass: 4,000 kg (8,800 lb). Nation: Bermuda. Agency: ILS. Spacecraft: HS 601. USAF Sat Cat: 34941 . COSPAR: 2009-027A. Apogee: 35,793 km (22,240 mi). Perigee: 35,781 km (22,233 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: S band transponder known as Indostar 2, launched to replace Indostar 1 (Cakrawarta) in providing communications services to Indonesia. Sold in 2009 to SES when Protostar was wound up and renamed SES 7..

2009 June 30 - . 19:10 GMT - . Launch Site: Baikonur. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n P346.
  • Sirius FM-5 - . Mass: 5,976 kg (13,174 lb). Nation: USA. Agency: ILS. Program: Sirius. Spacecraft: FS-1300. USAF Sat Cat: 35493 . COSPAR: 2009-034A. Apogee: 35,795 km (22,241 mi). Perigee: 35,779 km (22,231 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Direct radio broadcast satellite for North America. 2900 kg dry mass..

2009 August 11 - . 19:47 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n P347.
  • Asiasat 5 - . Mass: 3,760 kg (8,280 lb). Nation: Russia. Agency: ILS. Program: Asiasat. Class: Communications. Type: Communications satellite. Spacecraft: FS-1300. USAF Sat Cat: 35696 . COSPAR: 2009-042A. Apogee: 35,791 km (22,239 mi). Perigee: 35,781 km (22,233 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Provided C-band and Ku-band communications services..

2009 September 17 - . 19:19 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n P348.
  • Nimiq-5 - . Mass: 4,745 kg (10,460 lb). Nation: Russia. Agency: ILS. Program: Anik. Class: Communications. Type: Communications satellite. Spacecraft: FS-1300. USAF Sat Cat: 35873 . COSPAR: 2009-050A. Apogee: 35,798 km (22,243 mi). Perigee: 35,776 km (22,230 mi). Inclination: 0.0000 deg. Period: 1,436.10 min.

2009 November 24 - . 14:19 GMT - . Launch Site: Baikonur. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n P349.
  • Eutelsat W7 - . Payload: Spacebus 4000C4. Mass: 5,627 kg (12,405 lb). Nation: Europe. Agency: ILS. Program: Eutelsat. Spacecraft: Spacebus 4000. USAF Sat Cat: 36101 . COSPAR: 2009-065A. Apogee: 35,789 km (22,238 mi). Perigee: 35,784 km (22,235 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Communications satellite, replacing SESAT-1 in broadcasting and data services to Russia and Africa..

2009 December 29 - . 00:22 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • DirecTV-12 - . Mass: 5,900 kg (13,000 lb). Nation: USA. Agency: ILS. Program: DirecTV. Spacecraft: HS 702. USAF Sat Cat: 36131 . COSPAR: 2009-075A. Apogee: 37,150 km (23,080 mi). Perigee: 34,409 km (21,380 mi). Inclination: 0.1000 deg. Period: 1,435.70 min. Summary: Direct television broadcast to United States..

2010 January 28 - . 00:18 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC81/24. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n P352.
  • Raduga-1M - . Mass: 2,300 kg (5,000 lb). Nation: Russia. Agency: Chelomei. Spacecraft: Raduga-1. USAF Sat Cat: 36538 . COSPAR: 2010-002A. Apogee: 35,591 km (22,115 mi). Perigee: 35,567 km (22,100 mi). Inclination: 0.1000 deg. Period: 1,425.50 min. Summary: Second new-generation Globus-M military communications satellite..

2010 February 12 - . 00:39 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n P353.
  • Intelsat 16 - . Payload: Intelsat IS-16 Star-2.4. Mass: 2,060 kg (4,540 lb). Nation: USA. Agency: ILS. Program: Intelsat. Spacecraft: Star bus. USAF Sat Cat: 36397 . COSPAR: 2010-006A. Apogee: 35,797 km (22,243 mi). Perigee: 35,777 km (22,230 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Ku-band satellite providing backup for Sky Latin America service..

2010 March 20 - . 18:26 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n P355.
  • Echostar 14 - . Mass: 6,380 kg (14,060 lb). Nation: USA. Agency: ILS. Program: Echostar. Class: Communications. Type: Communications satellite. Spacecraft: FS-1300. USAF Sat Cat: 36499 . COSPAR: 2010-010A. Apogee: 35,798 km (22,243 mi). Perigee: 35,774 km (22,228 mi). Inclination: 0.0000 deg. Period: 1,436.10 min.

2010 April 24 - . 11:19 GMT - . Launch Site: Baikonur. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n P356.
  • SES 1 - . Payload: Star-2.4. Mass: 2,560 kg (5,640 lb). Nation: USA. Agency: ILS. Class: Communications. Type: Communications satellite. Spacecraft: Star bus. USAF Sat Cat: 36516 . COSPAR: 2010-016A. Apogee: 35,793 km (22,240 mi). Perigee: 35,780 km (22,230 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Communications satellite. Replaced AMC-2 and AMC-4 with Ku and C band services to the United States from 101 deg W..

2010 June 3 - . 22:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Arabsat 5B - . Mass: 5,420 kg (11,940 lb). Nation: Russia. Agency: ILS. Program: Arabsat. Class: Communications. Type: Communications satellite. Spacecraft: Eurostar 3000. USAF Sat Cat: 36592 . COSPAR: 2010-025A. Apogee: 35,804 km (22,247 mi). Perigee: 35,767 km (22,224 mi). Inclination: 0.0000 deg. Period: 1,436.00 min. Summary: Direct-to-home broadcast satellite, stationed at 26 deg E..

2010 July 10 - . 18:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton/Briz M s/n P358.
  • Echostar 15 - . Mass: 5,520 kg (12,160 lb). Nation: USA. Agency: ILS. Program: Echostar. Class: Communications. Type: Communications satellite. Spacecraft: FS-1300. USAF Sat Cat: 36792 . COSPAR: 2010-034A. Apogee: 35,798 km (22,243 mi). Perigee: 35,774 km (22,228 mi). Inclination: 0.1000 deg. Period: 1,436.00 min. Summary: Supported Dish direct-to-home broadcast network to North America..

2010 October 14 - . 18:53 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC81/24. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • XM-5 - . Payload: Sirius XM-5. Nation: USA. Agency: Sirius. Program: XM. Class: Communications. Type: Communications satellite. Spacecraft: FS-1300. USAF Sat Cat: 37185 . COSPAR: 2010-053A. Apogee: 35,790 km (22,230 mi). Perigee: 35,784 km (22,235 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Fifth direct-broadcast digital radio satellite in the Sirius constellation..

2010 October 19 - . 17:10 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC81/24. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Globalstar M079 - . Payload: Globalstar-2 M079. Mass: 700 kg (1,540 lb). Nation: USA. Agency: RKA. Class: Communications. Type: Communications satellite. Spacecraft: Proteus. USAF Sat Cat: 37188 . COSPAR: 2010-054A. Apogee: 1,414 km (878 mi). Perigee: 1,413 km (877 mi). Inclination: 52.0000 deg. Period: 114.10 min. Summary: First six or 48 new-generation Globalstar-2 satellites that will replace the 44 operational Globalstar satellites already aloft..
  • Globalstar M074 - . Payload: Globalstar-2 M074. Mass: 700 kg (1,540 lb). Nation: USA. Agency: RKA. Class: Communications. Type: Communications satellite. Spacecraft: Proteus. USAF Sat Cat: 37189 . COSPAR: 2010-054B. Apogee: 1,415 km (879 mi). Perigee: 1,413 km (877 mi). Inclination: 52.0000 deg. Period: 114.10 min.
  • Globalstar M076 - . Payload: Globalstar-2 M076. Mass: 700 kg (1,540 lb). Nation: USA. Agency: RKA. Class: Communications. Type: Communications satellite. Spacecraft: Proteus. USAF Sat Cat: 37190 . COSPAR: 2010-054C. Apogee: 1,415 km (879 mi). Perigee: 1,412 km (877 mi). Inclination: 52.0000 deg. Period: 114.10 min.
  • Globalstar M077 - . Payload: Globalstar-2 M077. Mass: 700 kg (1,540 lb). Nation: USA. Agency: RKA. Class: Communications. Type: Communications satellite. Spacecraft: Proteus. USAF Sat Cat: 37191 . COSPAR: 2010-054D. Apogee: 993 km (617 mi). Perigee: 951 km (590 mi). Inclination: 52.0000 deg. Period: 104.50 min.
  • Globalstar M075 - . Payload: Globalstar-2 M075. Mass: 700 kg (1,540 lb). Nation: USA. Agency: RKA. Class: Communications. Type: Communications satellite. Spacecraft: Proteus. USAF Sat Cat: 37192 . COSPAR: 2010-054E. Apogee: 1,414 km (878 mi). Perigee: 1,413 km (877 mi). Inclination: 52.0000 deg. Period: 114.10 min.

2010 November 14 - . 17:29 GMT - . Launch Site: Baikonur. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Skyterra 1 - . Mass: 5,400 kg (11,900 lb). Nation: USA. Class: Communications. Type: Communications satellite. Spacecraft: HS 702. USAF Sat Cat: 37218 . COSPAR: 2010-061A. Apogee: 35,802 km (22,246 mi). Perigee: 35,772 km (22,227 mi). Inclination: 6.0000 deg. Period: 1,436.10 min. Summary: GeoMobile class satellite with a 22-meter L-band reflector..

2010 November 20 - . 01:25 GMT - . Launch Site: Baikonur. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Nanosail-D - . Mass: 4.00 kg (8.80 lb). Nation: USA. Class: Technology. Type: Technology satellite. COSPAR: 2010-062y. Summary: 3-m span solar sail; ejected from USA 220 on 18 January 2011 unexpectedly after earlier ejection efforts failed..
  • USA 228 - . Payload: Fastrac 2. Mass: 30 kg (66 lb). Nation: USA. Class: Technology. Type: Technology satellite. USAF Sat Cat: 37380 . COSPAR: 2010-062M. Summary: Developed by University of Texas at Austin with USAF fuding for formation flying experiments..

2010 December 26 - . 21:51 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Ka Sat - . Payload: KA-SAT . Mass: 6,150 kg (13,550 lb). Nation: Europe. Class: Communications. Type: Communications satellite. Spacecraft: Eurostar 3000. USAF Sat Cat: 37258 . COSPAR: 2010-069A. Apogee: 35,788 km (22,237 mi). Perigee: 35,784 km (22,235 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Ka band communications with 80 spot beams; 6150 kg loaded / 3200 kg unfuelled..

2011 May 20 - . 19:15 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M.
  • Telstar 14R - . Mass: 4,970 kg (10,950 lb). Nation: USA. Program: Telstar. Class: Communications. Type: Communications satellite. Spacecraft: FS-1300. COSPAR: 2011-021A. Apogee: 35,798 km (22,243 mi). Perigee: 35,776 km (22,230 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Ku-band direct-broadcast satellite providing satellite television to Brazil. Failed to fully deploy one of its solar arrays..

2011 July 15 - . 23:16 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M.
  • SES 3 - . Payload: Orbital Star-2.4E. Mass: 3,112 kg (6,860 lb). Nation: USA. Class: Communications. Type: Communications satellite. Spacecraft: Star Bus. USAF Sat Cat: 37748 . COSPAR: 2011-035A. Apogee: 35,798 km (22,243 mi). Perigee: 35,775 km (22,229 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: C/Ku band communications payload..
  • Kazsat 2 - . Nation: Russia. Class: Communications. Type: Communications satellite. Spacecraft: Yakhta. USAF Sat Cat: 37749 . COSPAR: 2011-035B. Apogee: 35,788 km (22,237 mi). Perigee: 35,785 km (22,235 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Ku-band communications payload. Operator Kazakhstan National Center for Space Communications..

2011 August 17 - . 21:25 GMT - . Launch Site: Baikonur. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M. FAILURE: Cause was a timing error in the inertial platform, leading to incorrect orientiation of the stage during the later burns.. Failed Stage: 4.
  • Ekspress AM-4 - . Nation: Russia. Class: Communications. Type: Communications satellite. Spacecraft: Ekspress. USAF Sat Cat: 37798 . COSPAR: 2011-045A. Apogee: 20,389 km (12,669 mi). Perigee: 674 km (418 mi). Inclination: 51.1000 deg. Period: 364.70 min. Communications satellite delivered to an incorrect orbit when the Briz-M upper stage malfunctioned. The first two Briz-M burns, to a 173 km x 173 km, and then to a 270 km x 4998 km orbit, were successful. The third burn, at 00:52 GMT on 18 August, seemed to have gone wrong, with early separation of the wrap-around DTB propellant tank. A fourth burn left the payload stranded in a 694 km x 20242 km orbit. Cause was a timing error in the inertial platform, leading to incorrect orientiation of the stage during the later burns.

2011 September 20 - . 22:47 GMT - . Launch Site: Baikonur. LV Family: Proton. Launch Vehicle: Proton/Briz M.
  • Cosmos 2473 - . Nation: Russia. Class: Communications. Type: Communications satellite. Spacecraft: Garpun. USAF Sat Cat: 37806 . COSPAR: 2011-048A. Apogee: 35,794 km (22,241 mi). Perigee: 35,776 km (22,230 mi). Inclination: 0.1000 deg. Period: 1,436.00 min. Summary: First launch of the Garpun military communications and data relay satellite, built by Reshetnev..

2011 September 29 - . 18:32 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton/Briz M. LV Configuration: Proton-M/Briz-M.
  • Quetzsat 1 - . Mass: 5,514 kg (12,156 lb). Nation: Mexico. Class: Communications. Type: Communications satellite. Spacecraft: FS-1300. USAF Sat Cat: 37826 . COSPAR: 2011-054A. Apogee: 35,800 km (22,200 mi). Perigee: 35,774 km (22,228 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Ku-band communications satellite to be leased to Echostar..

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