Encyclopedia Astronautica
HCI


American agency. Hughes Communications Inc. , USA

More... - Chronology...


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

Associated Programs
  • Leasat Communications satellite leased to U.S. government. More...
  • SBS Satellite Business Systems communications network. More...
  • UHF US Navy communications satellite network; Ultra High Frequency Follow On. More...

HCI Chronology


1983 June 28 - . 23:08 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 3920/PAM. LV Configuration: Delta 3920/PAM D170.
  • Galaxy 1 - . Payload: HS 376. Mass: 1,218 kg (2,685 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. Completed Operations Date: 1994-03-10 . USAF Sat Cat: 14158 . COSPAR: 1983-065A. Apogee: 35,841 km (22,270 mi). Perigee: 35,815 km (22,254 mi). Inclination: 6.3000 deg. Period: 1,438.20 min. TV. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 134 deg W in 1983-1991; 133 deg W in 1991-1994 As of 31 August 2001 located at 92.66 deg W drifting at 0.600 deg W per day. As of 2007 Mar 9 located at 46.95W drifting at 0.505W degrees per day.

1983 September 22 - . 22:16 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Delta 3920/PAM. LV Configuration: Delta 3920/PAM D173.
  • Galaxy 2 - . Payload: HS 376. Mass: 1,218 kg (2,685 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. Completed Operations Date: 1994-05-21 . USAF Sat Cat: 14365 . COSPAR: 1983-098A. Apogee: 35,791 km (22,239 mi). Perigee: 35,785 km (22,235 mi). Inclination: 0.1000 deg. Period: 1,436.20 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 74 deg W in 1983-1994 As of 4 September 2001 located at 110.16 deg W drifting at 0.457 deg W per day. As of 2007 Mar 10 located at 57.56E drifting at 0.460W degrees per day.

1984 August 30 - . 12:41 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC39A. LV Family: Shuttle. Launch Vehicle: Shuttle. LV Configuration: Space Shuttle 41-D.
  • Syncom IV-2 - . Payload: Discovery F1 / SBS 4 [PAM-D] / Telstar 302 [PAM-D]. Mass: 1,315 kg (2,899 lb). Nation: USA. Agency: HCI. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 381. Completed Operations Date: 1996-10-10 . USAF Sat Cat: 15236 . COSPAR: 1984-093C. Apogee: 36,741 km (22,829 mi). Perigee: 36,448 km (22,647 mi). Inclination: 13.0000 deg. Period: 1,477.60 min. Released from STS 41D 8/31/84; 105 deg W; leased to U.S. government. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 105 deg W in 1984-1987; 177 deg W in 1987; 72 deg E in 1988-1990; 177 deg W in 1990-1996 As of 1 September 2001 located at 17.02 deg W drifting at 10.139 deg W per day. As of 2007 Mar 10 located at 57.99E drifting at 10.147W degrees per day.

1984 September 21 - . 22:18 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 3920/PAM. LV Configuration: Delta 3920/PAM D176.
  • Galaxy 3 - . Payload: HS 376. Mass: 1,218 kg (2,685 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. Completed Operations Date: 1995-10-03 . USAF Sat Cat: 15308 . COSPAR: 1984-101A. Apogee: 35,931 km (22,326 mi). Perigee: 35,885 km (22,297 mi). Inclination: 5.7000 deg. Period: 1,442.30 min. Geostationary at 3.5 deg W. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 94 deg W in 1984-1995 As of 1 September 2001 located at 138.23 deg E drifting at 1.543 deg W per day. As of 2007 Mar 10 located at 125.04W drifting at 1.587W degrees per day.

1984 November 8 - . 12:15 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC39A. LV Family: Shuttle. Launch Vehicle: Shuttle. LV Configuration: Space Shuttle 51-A.
  • Syncom IV-1 - . Payload: Discovery F2 / Anik D2 / Syncom-4 1. Mass: 1,315 kg (2,899 lb). Nation: USA. Agency: HCI. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 381. Completed Operations Date: 1992-09-26 . USAF Sat Cat: 15384 . COSPAR: 1984-113C. Apogee: 36,403 km (22,619 mi). Perigee: 36,152 km (22,463 mi). Inclination: 7.6000 deg. Period: 1,461.20 min. Released from STS 51A 10 November 1984; 105 deg W; leased to U.S. government. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 15 deg W in 1984-1992 As of 3 September 2001 located at 170.37 deg W drifting at 6.220 deg W per day. As of 2007 Mar 10 located at 100.08W drifting at 6.233W degrees per day.

1985 April 12 - . 13:59 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC39A. LV Family: Shuttle. Launch Vehicle: Shuttle. LV Configuration: Space Shuttle 51-D.
  • Syncom IV-3 - . Payload: Discovery F4 / Anik C1 [PAM-D] / Syncom-4 3 [Orbus. Mass: 1,315 kg (2,899 lb). Nation: USA. Agency: HCI. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 381. Completed Operations Date: 1996-09-30 . USAF Sat Cat: 15643 . COSPAR: 1985-028C. Apogee: 37,080 km (23,040 mi). Perigee: 36,401 km (22,618 mi). Inclination: 14.4000 deg. Period: 1,485.10 min. Released by STS 51D 4/13/85; failed to orbit and subsequently repaired by STS 51-I on 8/31/85; 178 deg E; leased by U.S. government. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 175 deg W in 1985-1987; 105 deg W in 1987-1996 As of 31 August 2001 located at 106.85 deg E drifting at 11.920 deg W per day. As of 2007 Mar 10 located at 158.41W drifting at 11.917W degrees per day.

1985 August 27 - . 10:58 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC39A. LV Family: Shuttle. Launch Vehicle: Shuttle. LV Configuration: Space Shuttle 51-I.
  • Syncom IV-4 - . Payload: Discovery F6 / Syncom-4 4 [Orbus-7S] / Aussat A1 [. Mass: 1,388 kg (3,060 lb). Nation: USA. Agency: HCI. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 381. Completed Operations Date: 1996-10-30 . USAF Sat Cat: 15995 . COSPAR: 1985-076D. Apogee: 36,503 km (22,681 mi). Perigee: 36,486 km (22,671 mi). Inclination: 9.5000 deg. Period: 1,472.40 min. Released by STS 51I 8/29/85; 178 deg E; leased by U.S. government. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 177 deg W in 1985-1987 As of 3 September 2001 located at 149.81 deg W drifting at 8.908 deg W per day. As of 2007 Mar 10 located at 84.34W drifting at 8.912W degrees per day.

1990 January 9 - . 12:35 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC39A. LV Family: Shuttle. Launch Vehicle: Shuttle. LV Configuration: Space Shuttle STS-32R.
  • Leasat 5 - . Payload: Columbia F9 / Syncom-4 5 [Orbus-7S]. Mass: 3,400 kg (7,400 lb). Nation: USA. Agency: HCI. Program: Leasat. Class: Communications. Type: Military communications satellite. Spacecraft: HS 601. USAF Sat Cat: 20410 . COSPAR: 1990-002B. Apogee: 35,797 km (22,243 mi). Perigee: 35,776 km (22,230 mi). Inclination: 4.4000 deg. Period: 1,436.10 min. Deployed from STS 32 1/10/89; 177 deg W; leased to U.S. government. The Leasat series was developed as a commercial venture to provide dedicated communications services to the U. S. military. Positioned in geosynchronous orbit at 178 deg E in 1990; 72 deg E in 1990-1997; 77 deg E in 1997-1998; 155 deg E in 1998-1999 As of 5 September 2001 located at 155.70 deg E drifting at 0.023 deg W per day. As of 2007 Mar 11 located at 100.05E drifting at 0.003E degrees per day. Additional Details: here....

1990 October 12 - . 22:58 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44L. LV Configuration: Ariane 44L V39.
  • SBS 6 - . Mass: 2,478 kg (5,463 lb). Nation: USA. Agency: HCI. Program: SBS. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. USAF Sat Cat: 20872 . COSPAR: 1990-091A. Apogee: 35,794 km (22,241 mi). Perigee: 35,780 km (22,230 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Stationed at 99 deg W. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). Positioned in geosynchronous orbit at 97 deg W in 1990; 99 deg W in 1991-1994; 95 deg W in 1994-1995; 74 deg W in 1995-1999 As of 1 September 2001 located at 74.05 deg W drifting at 0.010 deg W per day. As of 2007 Mar 11 located at 74.06W drifting at 0.011W degrees per day.
  • Galaxy 6 - . Payload: Westar 6S. Mass: 1,212 kg (2,672 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. USAF Sat Cat: 20873 . COSPAR: 1990-091B. Apogee: 35,791 km (22,239 mi). Perigee: 35,784 km (22,235 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Geostationary at 99 deg W. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). Positioned in geosynchronous orbit at 91 deg W in 1990-1991; 99 deg W in 1991-1993; 103 deg W in 1993-1994; 74 deg W in 1994-1998; 99 deg W in 1998-1999; 91 deg W in 2000.; 74 deg W in 2000. As of 5 September 2001 located at 73.96 deg W drifting at 0.015 deg W per day. As of 2007 Mar 10 located at 14.62E drifting at 1.829W degrees per day.

1992 March 14 - . 00:00 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas I. LV Configuration: Atlas I AC-72 / Centaur I 5052.
  • Galaxy 5 - . Mass: 1,412 kg (3,112 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. USAF Sat Cat: 21906 . COSPAR: 1992-013A. Apogee: 35,790 km (22,230 mi). Perigee: 35,782 km (22,233 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Geostationary at 125 deg W. Launch vehicle put payload into geosynchronous transfer orbit with GCS trajectory option. Positioned in geosynchronous orbit at 125 deg W in 1992-2001. As of 2007 Mar 8 located at 7.46E drifting at 3.538W degrees per day..

1992 August 22 - . 22:40 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas I. LV Configuration: Atlas I AC-71 / Centaur I 5051. FAILURE: Destroyed by range safety. Centaur engine turbopump did not start. Identical to the 18 April 1991 failure.. Failed Stage: 2.
  • Galaxy 1R - . Payload: Galaxy 1R. Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. Decay Date: 1992-08-22 . COSPAR: F920822A.

1992 October 28 - . 00:15 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 42P. LV Configuration: Ariane 42P+ V54.
  • Galaxy 7 - . Mass: 2,968 kg (6,543 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. Duration: 2,947.00 days. USAF Sat Cat: 22205 . COSPAR: 1992-072A. Apogee: 35,968 km (22,349 mi). Perigee: 35,917 km (22,317 mi). Inclination: 1.5000 deg. Period: 1,444.10 min. Geostationary at 91 deg W. The Galaxy 7 satellite failed on November 22, 2000, the third such satellite to fall victim to a design flaw in the on-board computers. Positioned in geosynchronous orbit at 91 deg W in 1992-1999 As of 1 September 2001 located at 32.55 deg E drifting at 2.022 deg W per day. As of 2007 Mar 10 located at 141.47W drifting at 2.077W degrees per day.

1993 March 25 - . 21:38 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas I. LV Configuration: Atlas I AC-74 / Centaur I 5054. FAILURE: Atlas engine failure. Loss of booster engine thrust resulted in a lower-than planned 1560 km x 1900 km orbit. Failed Stage: 1.
  • UHF F1 - . Payload: UHF F/O F1. Mass: 2,866 kg (6,318 lb). Nation: USA. Agency: HCI. Program: UHF. Class: Communications. Type: Military communications satellite. Spacecraft: HS 601. Completed Operations Date: 1993-07-01 . USAF Sat Cat: 22563 . COSPAR: 1993-015A. Apogee: 36,098 km (22,430 mi). Perigee: 36,053 km (22,402 mi). Inclination: 21.1000 deg. Period: 1,450.90 min. US Navy communications; Ultra High Frequency Follow On; unusable orbit. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Launch vehicle was to have put payload into subsynchronous earth orbit with MRS trajectory option. As of 28 August 2001 located at 45.55 deg W drifting at 3.676 deg W per day. As of 2007 Mar 10 located at 95.89E drifting at 3.687W degrees per day.

1993 June 25 - . 00:18 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 42P. LV Configuration: Ariane 42P+ V57.
  • Galaxy 4 - . Payload: Galaxy 4H. Mass: 2,988 kg (6,587 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. USAF Sat Cat: 22694 . COSPAR: 1993-039A. Apogee: 35,829 km (22,263 mi). Perigee: 35,743 km (22,209 mi). Inclination: 3.4000 deg. Period: 1,436.10 min. Geostationary at 99 deg W. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 99 deg W in 1993-1998 As of 6 September 2001 located at 76.26 deg E drifting at 0.041 deg W per day. As of 2007 Mar 10 located at 77.40E drifting at 0.010E degrees per day.

1993 September 3 - . 11:17 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas I. LV Configuration: Atlas I AC-75 / Centaur I 5055.
  • USA 95 - . Payload: UHF F/O F2. Mass: 2,844 kg (6,269 lb). Nation: USA. Agency: HCI. Program: UHF. Class: Communications. Type: Military communications satellite. Spacecraft: HS 601. USAF Sat Cat: 22787 . COSPAR: 1993-056A. Apogee: 35,805 km (22,248 mi). Perigee: 35,767 km (22,224 mi). Inclination: 5.0000 deg. Period: 1,436.10 min. US Navy communications. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Launch vehicle put payload into subsynchronous earth orbit with MRS trajectory option. Positioned in geosynchronous orbit at 72 deg E in 1993-1999.

1994 February 19 - . 23:45 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 7925-8. LV Configuration: Delta 7925-8 D225.
  • Galaxy 1R - . Payload: Galaxy 1RR. Mass: 1,391 kg (3,066 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376. USAF Sat Cat: 23016 . COSPAR: 1994-013A. Apogee: 35,797 km (22,243 mi). Perigee: 35,774 km (22,228 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Stationed at 133 deg W; replaced Galaxy 1. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). Positioned in geosynchronous orbit at 133 deg W in 1994-1999 As of 5 September 2001 located at 132.97 deg W drifting at 0.005 deg E per day. As of 2007 Mar 9 located at 88.88W drifting at 3.795W degrees per day.

1994 June 24 - . 13:50 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas I. LV Configuration: Atlas I AC-76 / Centaur I 5056.
  • USA 104 - . Payload: UHF F/O F3. Mass: 2,847 kg (6,276 lb). Nation: USA. Agency: HCI. Program: UHF. Class: Communications. Type: Military communications satellite. Spacecraft: HS 601. USAF Sat Cat: 23132 . COSPAR: 1994-035A. Apogee: 35,795 km (22,241 mi). Perigee: 35,776 km (22,230 mi). Inclination: 4.8100 deg. Period: 1,436.05 min. Summary: US Navy communications . Stationed at 14.38 deg W 1995-1999. Launch vehicle put payload into subsynchronous earth orbit with MRS trajectory option..

1995 January 29 - . 01:25 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas II. LV Configuration: Atlas II AC-112 / Centaur II 8110.
  • USA 108 - . Payload: UHF F/O F4. Mass: 3,023 kg (6,664 lb). Nation: USA. Agency: HCI. Program: UHF. Class: Communications. Type: Military communications satellite. Spacecraft: HS 601. USAF Sat Cat: 23467 . COSPAR: 1995-003A. Apogee: 35,799 km (22,244 mi). Perigee: 35,775 km (22,229 mi). Inclination: 2.2000 deg. Period: 1,436.10 min. Summary: UHF Follow-On #4; US Navy communications . Stationed at 177.0 deg W. Launch vehicle put payload into subsynchronous earth orbit with MRS trajectory option. Positioned in geosynchronous orbit at 177 deg W in 1995-1999..

1995 December 15 - . 00:23 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas IIA. LV Configuration: Atlas IIA AC-120.
  • Galaxy 3R - . Payload: HS 376. Mass: 2,980 kg (6,560 lb). Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. USAF Sat Cat: 23741 . COSPAR: 1995-069A. Apogee: 35,799 km (22,244 mi). Perigee: 35,774 km (22,228 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Stationed at 95 deg W; 24 C-band, 24 Ku-band transponders; TV for Caribbean and Central America. Launch vehicle put payload into subsynchronous earth orbit with MRS trajectory option. Positioned in geosynchronous orbit at 95 deg W in 1996-1999 As of 3 September 2001 located at 95.05 deg W drifting at 0.008 deg W per day. As of 2007 Mar 9 located at 132.80W drifting at 0.084W degrees per day.

1996 May 24 - . 01:09 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 7925. LV Configuration: Delta 7925 D236.
  • Galaxy 9 - . Nation: USA. Agency: HCI. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. USAF Sat Cat: 23877 . COSPAR: 1996-033A. Apogee: 35,789 km (22,238 mi). Perigee: 35,783 km (22,234 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Geostationary at 123.0W. Positioned in geosynchronous orbit at 123 deg W in 1996-2000; 127 deg W in 2000.- As of 5 September 2001 located at 126.96 deg W drifting at 0.001 deg W per day. As of 2007 Mar 11 located at 74.14W drifting at 0.004W degrees per day.

1996 July 25 - . 12:42 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas II. LV Configuration: Atlas II AC-125.
  • USA 127 - . Payload: UHF F/O F7-EHF. Mass: 3,015 kg (6,646 lb). Nation: USA. Agency: HCI. Program: UHF. Class: Communications. Type: Military communications satellite. Spacecraft: HS 601. USAF Sat Cat: 23967 . COSPAR: 1996-042A. Apogee: 35,791 km (22,239 mi). Perigee: 35,784 km (22,235 mi). Inclination: 4.9000 deg. Period: 1,436.20 min. Summary: Positioned in geosynchronous orbit at 170 deg W in 1996; 23 deg W in 1996-1999; 100 deg W in 1999. As of 29 July 1999) 99.21 deg W drifting at 0.011 deg W per day. As of 2007 Feb 22 located at 21.85W drifting at 0.014W degrees per day..

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