Italian agency overseeing development of spacecraft. CNR, Italy.
More... - Chronology...
Associated Countries
Associated Spacecraft
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Sirio Italian communications technology satellite. 2 launches, 1977.08.25 (Sirio 1) and 1982.09.09 (Sirio 2). SIRIO was a spin stabilized geostationary experimental communications satellite with a nominal life of two years. More...
See also
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Agency Agencies or institutions overseeing design, development, construction, or operation of space-related systems. More...
CNR Chronology
1977 August 25 - .
23:49 GMT - .
Launch Site:
Cape Canaveral.
Launch Complex:
Cape Canaveral LC17B.
LV Family:
Delta.
Launch Vehicle:
Delta 2313.
LV Configuration: Delta 2313 615/D133.
- Sirio 1 - .
Mass: 220 kg (480 lb). Nation: Italy. Agency: CNR. Class: Technology. Type: Communications technology satellite. Spacecraft: Sirio. Completed Operations Date: 1989-09-28 . USAF Sat Cat: 10294 . COSPAR: 1977-080A. Apogee: 35,869 km (22,287 mi). Perigee: 35,755 km (22,217 mi). Inclination: 9.6000 deg. Period: 1,437.40 min. Experimental commsat. SIRIO (Satellite Italiano Ricerca Industriale Orientata). Launch time 2350:00 GMT. Geographical longitude of geostationary orbit 15 deg W. SIRIO is a spin stabilized geostationary experimental communications satellite. Characteristics of satellite: Weight at launch 398 kg, in orbit 218 kg. Configuration - cylindrical, height 1.981m, diameter 1.433 m, nominal life two years. Positioned in geosynchronous orbit over the Atlantic Ocean at 15 deg W in 1977-1981; over the Atlantic Ocean 25 deg W in 1981-1983; over the Indian Ocean 65 deg E in 1983-1985 As of 4 September 2001 located at 86.65 deg E drifting at 0.265 deg E per day. As of 2007 Mar 11 located at 75.38E drifting at 0.003E degrees per day.
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