Sirio
Spacecraft · Italy
Original archive entry. The text, images and links below are kept as they were written.
Credit: Manufacturer Image
Italian communications technology satellite. SIRIO was a spin stabilized geostationary experimental communications satellite with a nominal life of two years. Communication satellite built by Compagnia Nazionale Satelliti per Telecommunicaziono SpA, Italy. Launched 1977 - 1982.
Characteristics of satellite: Weight at launch 398 kg, in orbit 218 kg. Configuration - cylindrical, height 1.981m, diameter 1.433m,
More at: Sirio.
Related
- Country
- Italy
- Launch Vehicles
- Thor, Delta, Ariane 1, Delta 2313, Ariane, Delta 2000
- Projects
- MARECS
- Launch Sites
- Cape Canaveral, Cape Canaveral LC17B, Kourou, Kourou ELA1
- Agency
- CNR
Chronology
2 events
1977 August 25
23:49 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Delta 2313.- 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: 9.60 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.