Encyclopedia Astronautica
Horizons


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Horizons Chronology


2003 October 1 - . 04:03 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 13.
  • Horizons 1 (Galaxy 13) - . Payload: Boeing 601HP. Mass: 4,060 kg (8,950 lb). Nation: USA. Agency: PanAmSat. Program: Horizons. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 601. USAF Sat Cat: 27954 . COSPAR: 2003-044A. Apogee: 35,794 km (22,241 mi). Perigee: 35,779 km (22,231 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Delayed from late 2002, September 27 2003. The satellite carried both C-band and Ku-band communications payloads. The C-band payload was referred to as Galaxy 13; the Ku-band payload was jointly owned by Panamsat and the Japanese JSAT company and was called Horizons-1. Horizons-1 was to provide digital data services between the Americas and Asia via a relay station in Hawaii. As of 2007 Mar 11 located at 127.00W drifting at 0.002E 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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