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astronautix.com Sirio


Other Designations: Satellite Italiano Ricerca Industriale Orientata. Class: Technology. Type: Communications. Nation: Italy.

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 1.433m, nominal life two years.


Specification

Total Mass: 220 kg.


Sirio Chronology


25 August 1977 Sirio 1 Launch Site: Cape Canaveral . Launch Vehicle: Delta 2914. Mass: 220 kg. Perigee: 35,755 km. Apogee: 35,869 km. Inclination: 9.6 deg.

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.


09 September 1982 Sirio 2 Program: MARECS. Launch Site: Kourou . Launch Vehicle: Ariane 1. FAILURE: Failure.

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Last update 12 March 2001.
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© Mark Wade, 2001 .