Encyclopedia Astronautica
Inmarsat


Citizen of the World agency overseeing development of spacecraft. International Maritime Satellite Organization, International.

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Associated Countries
Associated Spacecraft
  • Intelsat 5 American communications satellite. 9 launches, 1980.12.06 (Intelsat 5 F-2) to 1984.06.09 (Intelsat 5 F-9). The last five of the nine spacecraft in this block carry a maritime mobile payload (seven additional transponders) for lease by Inmarsat. More...
  • Eurostar 1000 French communications satellite. 4 launches, 1990.10.30 (Inmarsat 2 F1) to 1992.04.15 (Inmarsat 2 F4). The Eurostar 1000 platform was the first generation of Matra Marconi Space GEO satellite platforms serving mainly commercial telecoms applications. More...

See also
  • Agency Agencies or institutions overseeing design, development, construction, or operation of space-related systems. More...

Associated Programs

Inmarsat Chronology


1990 October 30 - . 23:16 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 6925. LV Configuration: Delta 6925 D200.
  • Inmarsat 2 F1 - . Mass: 1,385 kg (3,053 lb). Nation: International. Agency: Inmarsat. Manufacturer: Toulouse. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 1000. USAF Sat Cat: 20918 . COSPAR: 1990-093A. Apogee: 35,800 km (22,200 mi). Perigee: 35,775 km (22,229 mi). Inclination: 1.7000 deg. Period: 1,436.20 min. Mobile communications; 64.5 deg E. Positioned in geosynchronous orbit at 65 deg E in 1990-1996; 179 deg E in 1996-1999 As of 5 September 2001 located at 178.97 deg E drifting at 0.004 deg W per day. As of 2007 Mar 8 located at 143.50E drifting at 0.015W degrees per day.

1991 March 8 - . 23:03 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 6925. LV Configuration: Delta 6925 D203.
  • Inmarsat 2 F2 - . Mass: 1,385 kg (3,053 lb). Nation: International. Agency: Inmarsat. Manufacturer: Toulouse. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 1000. USAF Sat Cat: 21149 . COSPAR: 1991-018A. Apogee: 35,793 km (22,240 mi). Perigee: 35,780 km (22,230 mi). Inclination: 2.2000 deg. Period: 1,436.10 min. Mobile and maritime communications; 15.5 deg W. Positioned in geosynchronous orbit at 15 deg W in 1991-1996; 55 deg W in 1997-1999; DRIFT As of 6 September 2001 located at 97.95 deg W drifting at 0.002 deg W per day. As of 2007 Mar 11 located at 97.96W drifting at 0.006W degrees per day.

1991 December 16 - . 23:19 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44L. LV Configuration: Ariane 44L V48.
  • Inmarsat 2 F3 - . Mass: 1,310 kg (2,880 lb). Nation: International. Agency: Inmarsat. Manufacturer: Toulouse. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 1000. USAF Sat Cat: 21814 . COSPAR: 1991-084B. Apogee: 35,795 km (22,241 mi). Perigee: 35,778 km (22,231 mi). Inclination: 1.4000 deg. Period: 1,436.10 min. Global maritime and mobile communications; 178 deg E. Positioned in geosynchronous orbit at 178 deg E in 1992-1997; 65 deg E in 1997-1999 As of 29 August 2001 located at 65.01 deg E drifting at 0.003 deg E per day. As of 2007 Mar 9 located at 155.28W drifting at 15.158W degrees per day.

1992 April 15 - . 23:25 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44L. LV Configuration: Ariane 44L+ V50.
  • Inmarsat 2 F4 - . Mass: 1,385 kg (3,053 lb). Nation: International. Agency: Inmarsat. Manufacturer: Toulouse. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 1000. USAF Sat Cat: 21940 . COSPAR: 1992-021B. Apogee: 35,796 km (22,242 mi). Perigee: 35,780 km (22,230 mi). Inclination: 2.4000 deg. Period: 1,436.20 min. Stationed at 55 deg W. Positioned in geosynchronous orbit at 54 deg W in 1992-1997; 17 deg W in 1997-1999; DRIFT As of 4 September 2001 located at 109.00 deg E drifting at 0.022 deg W per day. As of 2007 Mar 10 located at 108.99E drifting at 0.020W degrees per day.

1996 April 3 - . 23:01 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas IIA. LV Configuration: Atlas IIA AC-122.
  • Inmarsat 3 F1 - . Mass: 2,068 kg (4,559 lb). Nation: International. Agency: Inmarsat. Manufacturer: Lockheed. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 4000. USAF Sat Cat: 23839 . COSPAR: 1996-020A. Apogee: 35,806 km (22,248 mi). Perigee: 35,767 km (22,224 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Geostationary at 64.1E. Launch vehicle put payload into geosynchronous transfer orbit with RAAN Cntl trajectory option. Positioned in geosynchronous orbit at 64 deg E in 1996-1999 As of 5 September 2001 located at 63.98 deg E drifting at 0.003 deg E per day. As of 2007 Mar 10 located at 64.52E drifting at 0.006W degrees per day.

1996 September 6 - . 17:37 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC81/23. LV Family: Proton. Launch Vehicle: Proton-K/DM-2. LV Configuration: Proton-K/DM-2 (DM1) 375-01.
  • Inmarsat 3 F2 - . Mass: 1,021 kg (2,250 lb). Nation: International. Agency: INMARSAT. Manufacturer: Lockheed. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 4000. USAF Sat Cat: 24307 . COSPAR: 1996-053A. Apogee: 35,807 km (22,249 mi). Perigee: 35,766 km (22,223 mi). Inclination: 2.5000 deg. Period: 1,436.10 min. Summary: Geostationary at 15.5W. Positioned in geosynchronous orbit at 15 deg W in 1996-1999 As of 4 September 2001 located at 15.48 deg W drifting at 0.005 deg W per day. As of 2007 Mar 7 located at 15.47W drifting at 0.007W degrees per day..

1996 December 18 - . 01:57 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas IIA. LV Configuration: Atlas IIA AC-129.
  • Inmarsat 3 F3 - . Mass: 1,021 kg (2,250 lb). Nation: International. Agency: Inmarsat. Manufacturer: Lockheed. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 4000. USAF Sat Cat: 24674 . COSPAR: 1996-070A. Apogee: 35,807 km (22,249 mi). Perigee: 35,764 km (22,222 mi). Inclination: 0.0000 deg. Period: 1,436.00 min. Geostationary at 157.6E. Launch vehicle put payload into geosynchronous transfer orbit with RAAN Cntl trajectory option. Positioned in geosynchronous orbit at 178 deg E in 1997-1999 As of 5 September 2001 located at 178.02 deg E drifting at 0.006 deg W per day. As of 2007 Mar 10 located at 178.19E drifting at 0.002E degrees per day.

1997 June 3 - . 23:20 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44L. LV Configuration: Ariane 44L-3 V97.
  • Inmarsat 3 F4 - . Mass: 1,021 kg (2,250 lb). Nation: International. Agency: Inmarsat. Manufacturer: Lockheed. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 4000. USAF Sat Cat: 24819 . COSPAR: 1997-027A. Apogee: 35,805 km (22,248 mi). Perigee: 35,770 km (22,220 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Geosynchronous. Stationed over 54.0W Positioned in geosynchronous orbit at 54 deg W in 1997-1999 As of 5 September 2001 located at 53.97 deg W drifting at 0.004 deg W per day. As of 2007 Mar 10 located at 142.07W drifting at 0.000E degrees per day..

1998 February 4 - . 23:29 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44LP. LV Configuration: Ariane 44LP V105.
  • Inmarsat 3 F5 - . Mass: 1,021 kg (2,250 lb). Nation: International. Agency: Inmarsat. Manufacturer: RCA. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 4000. USAF Sat Cat: 25153 . COSPAR: 1998-006B. Apogee: 35,797 km (22,243 mi). Perigee: 35,775 km (22,229 mi). Inclination: 0.5000 deg. Period: 1,436.10 min. Summary: Geostationary at 25.0 degrees E. Positioned in geosynchronous orbit at 25 deg E in 1998-1999 As of 24 July 2001 located at 25.09 deg E drifting at 0.020 deg E per day. As of 2007 Mar 10 located at 25.07E drifting at 0.017W degrees per day..

2005 March 11 - . 21:42 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. Launch Pad: SLC41. LV Family: Atlas V. Launch Vehicle: Atlas V 431. LV Configuration: Atlas V 431 AV-004.
  • Inmarsat 4-F1 - . Payload: Inmarsat 4A / Eurostar 3000GM. Mass: 5,959 kg (13,137 lb). Nation: International. Agency: Inmarsat. Manufacturer: EADS Astrium. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 3000. USAF Sat Cat: 28628 . COSPAR: 2005-009A. Apogee: 36,011 km (22,376 mi). Perigee: 35,562 km (22,097 mi). Inclination: 3.0000 deg. Period: 1,436.10 min. Heaviest single payload to geosynchronous transfer orbit to that date. Delayed from October 2004, February 27, March 10, 2005. The satellite was to provide L-band mobile communications and wideband data transmission for Inmarsat's global network. As of 2007 Mar 11 located at 63.82E drifting at 0.000E degrees per day.

2005 November 8 - . 14:07 GMT - . Launch Site: Kiritimati. Launch Pad: 0.0 N x 154.0 W. Launch Platform: ODYSSEY. LV Family: Zenit. Launch Vehicle: Zenit-3SL. LV Configuration: Zenit-3SL 23.
  • Inmarsat 4F-2 - . Payload: Inmarsat 4B; Eurostar 3000GM. Mass: 5,958 kg (13,135 lb). Nation: USA. Agency: Inmarsat. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 3000. USAF Sat Cat: 28899 . COSPAR: 2005-044A. Apogee: 35,965 km (22,347 mi). Perigee: 35,902 km (22,308 mi). Inclination: 2.9000 deg. Period: 1,443.60 min. Summary: The satellite was fitted with a 10 meter diameter antenna for mobile communications. Payload moved from Ariane 5 EC-A. Launch delayed from September, November 4 and 5, 2005. As of 2007 Mar 11 located at 52.87W drifting at 0.010W degrees per day..

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..

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