Encyclopedia Astronautica
ADI


Italian agency. ADI, Italy.

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

ADI Chronology


2001 February 7 - . 23:05 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44L. LV Configuration: Ariane 44L-3 V139.
  • Sicral - . Payload: Sicral 1. Mass: 2,596 kg (5,723 lb). Nation: Italy. Agency: ADI. Manufacturer: Alenia. Class: Communications. Type: Civilian communications satellite. Spacecraft: Italsat. USAF Sat Cat: 26694 . COSPAR: 2001-005A. Apogee: 35,801 km (22,245 mi). Perigee: 35,773 km (22,228 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Sicral, (Sistema Italiana de Communicazione Riservente Allarmi) was a communications satellite for the Italian defense ministry's procurement division, the Segretariato Generale della Difesa's Direzione Nazionale degli Armamenti. Sicral was built by Alenia Aerospazio and derived from the Italsat series. Its mass was 2596 kg full, 1253 kg dry and it carried a liquid apogee engine. The 3.3 kW, 3.4 m x 4.9 m, triaxially-stabilized spacecraft carried a total of nine transponders in the SHF-, UHF-, and EHF-bands to enable secure communications after parking over 16.2 deg-E longitude. Positioned in geosynchronous orbit at 16 deg E in 2001 As of 26 August 2001 located at 16.27 deg E drifting at 0.004 deg W per day. As of 2007 Mar 9 located at 16.34E drifting at 0.018E degrees per day.

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