Encyclopedia Astronautica
JSAT


Japanese agency. Japan Satellite Systems, Japan.

More... - Chronology...


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

Associated Programs
  • JCSAT Japanese domestic communications satellite network. More...

JSAT Chronology


1995 August 29 - . 00:53 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas IIAS. LV Configuration: Atlas IIAS AC-117.
  • JCSAT 3 - . Mass: 1,841 kg (4,058 lb). Nation: Japan. Agency: JSAT. Program: JCSAT. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. USAF Sat Cat: 23649 . COSPAR: 1995-043A. Apogee: 35,794 km (22,241 mi). Perigee: 35,779 km (22,231 mi). Inclination: 0.0000 deg. Period: 1,436.20 min. 8 transponders for digital TV. Stationed at 128.1 deg E. Launch vehicle put payload into supersynchronous earth orbit with IFR/MRS trajectory option. Positioned in geosynchronous orbit at 128 deg E in 1995-1999 As of 5 September 2001 located at 128.05 deg E drifting at 0.005 deg E per day. As of 2007 Feb 20 located at 126.99E drifting at 0.144W degrees per day.

1997 February 17 - . 01:42 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas IIAS. LV Configuration: Atlas IIAS AC-127.
  • JCSAT 4 - . Nation: Japan. Agency: JSAT. Manufacturer: El Segundo. Program: JCSAT. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. USAF Sat Cat: 24732 . COSPAR: 1997-007A. Apogee: 35,793 km (22,240 mi). Perigee: 35,780 km (22,230 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Geosynchronous. Stationed over 150.0E Launch vehicle put payload into supersynchronous earth orbit with IFR/MRS trajectory option. Positioned in geosynchronous orbit at 150 deg E in 1997-1998; 124 deg E in 1998-1999; 127 deg E in 1999. As of 5 September 2001 located at 127.02 deg E drifting at 0.015 deg W per day. As of 2007 Mar 7 located at 150.01E drifting at 0.008W degrees per day.

1997 December 2 - . 22:52 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44P. LV Configuration: Ariane 44P-3 V103.
  • JCSAT 5 - . Nation: Japan. Agency: JSAT. Manufacturer: El Segundo. Program: JCSAT. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. USAF Sat Cat: 25067 . COSPAR: 1997-075A. Apogee: 35,790 km (22,230 mi). Perigee: 35,784 km (22,235 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Geosynchronous. Stationed over 139.4E Positioned in geosynchronous orbit at 150 deg E in 1998-1999 As of 4 September 2001 located at 150.00 deg E drifting at 0.012 deg W per day. As of 2007 Mar 8 located at 127.98E drifting at 0.014W degrees per day..

1999 February 16 - . 01:45 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. Launch Pad: SLC36A. LV Family: Atlas. Launch Vehicle: Atlas IIAS. LV Configuration: Atlas IIAS AC-152.
  • JCSAT-6 - . Mass: 2,900 kg (6,300 lb). Nation: Japan. Agency: JSAT. Manufacturer: El Segundo. Program: JCSAT. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. USAF Sat Cat: 25630 . COSPAR: 1999-006A. Apogee: 35,791 km (22,239 mi). Perigee: 35,784 km (22,235 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. JCSAT-6 carried a Ku-band relay system. It was operated by Japan Satellite Systems, Inc., Tokyo, provided communications and data relay for Japan and the Pacific Rim. Two burns of the Centaur upper stage placed it into a supersynchronous transfer orbit of 258 km x 96736 km x 24.1 degrees. JCSAT-6's on-board R-4D engine would maneuver it into its final geostationary location. Dry mass of the spacecraft was 1230 kg. Stationed at 124 deg E Positioned in geosynchronous orbit at 123 deg E in 1999. As of 5 September 2001 located at 124.00 deg E drifting at 0.014 deg W per day. As of 2007 Mar 10 located at 124.01E drifting at 0.011W degrees per day.

2002 March 29 - . 01:29 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44L. LV Configuration: Ariane 44L V149.
  • JCSAT 8 - . Payload: JC-Sat 2A. Mass: 3,800 kg (8,300 lb). Nation: Japan. Agency: JSAT. Manufacturer: El Segundo. Program: JCSAT. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. USAF Sat Cat: 27400 . COSPAR: 2002-015B. Apogee: 35,802 km (22,246 mi). Perigee: 35,770 km (22,220 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Communications satellite. Launch delayed from mid-March. JCSAT 8 was a Boeing BSS-601 with a launch mass of 2600 kg and a dry mass around 1200 kg. It was to be used by Japan Satellite to replace JCSAT 2. As of 2007 Mar 10 located at 24.29E drifting at 0.020W degrees per day.

2006 April 12 - . 23:30 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 21.
  • JCSAT 9 - . Payload: A2100AX. Mass: 4,401 kg (9,702 lb). Nation: Japan. Agency: JSAT. Manufacturer: Lockheed. Program: JCSAT. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 2100. USAF Sat Cat: 29045 . COSPAR: 2006-010A. Apogee: 35,790 km (22,230 mi). Perigee: 35,785 km (22,235 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: As of 2007 Mar 8 located at 132.01E drifting at 0.014W degrees per day..

2006 August 11 - . 22:15 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA3. LV Family: Ariane 5. Launch Vehicle: Ariane 5ECA. LV Configuration: Ariane 5ECA V172 (531).
  • JCSAT 10 - . Payload: AS2100AX. Mass: 4,048 kg (8,924 lb). Nation: Japan. Agency: JSAT. Manufacturer: Lockheed. Program: JCSAT. Class: Communications. Type: Civilian communications satellite. Spacecraft: AS 2100. USAF Sat Cat: 29272 . COSPAR: 2006-033A. Apogee: 35,793 km (22,240 mi). Perigee: 35,781 km (22,233 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Ku/C-band television broadcasting satellite for the Japanese market; mass 1858 kg dry. As of 2007 Mar 11 located at 128.01E drifting at 0.012W degrees per day..

2007 December 21 - . 21:41 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA3. LV Family: Ariane 5. Launch Vehicle: Ariane 5GS. LV Configuration: Ariane 5GS V180 (530).
  • Horizons 2 - . Payload: Star-2. Mass: 2,350 kg (5,180 lb). Nation: Bermuda. Agency: Intelsat; JSAT. Manufacturer: OSC. Program: Horizons. Class: Communications. Type: Civilian communications satellite. Spacecraft: Star bus. USAF Sat Cat: 32388 . COSPAR: 2007-063D. Apogee: 35,816 km (22,254 mi). Perigee: 35,815 km (22,254 mi). Inclination: 0.0000 deg. Period: 1,437.50 min. Launched by Horizons Satellite Holdings LLC, a joint venture of Intelsat and the Japanese JSAT company. To be placed at 74 deg W to serve United States, eastern Canada, and the Caribbean with communication services using its 16-transmitter Ku-band communications payload.

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