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Symphonie 1



Symphonie 1 was a French-German, geostationary, equatorial, experimental communications satellite. The satellite body was a right hexagonal prism, 1.85-m maximum diameter and 0.5-m high. Several antennas and other appendages were mounted on the ends, and three sets of symmetrically placed solar panels extended outward a distance of 2.6 m from alternate edges of the spacecraft. A flywheel operated attitude control system maintained attitude along three axes. A positive orbit control system placed the spacecraft near 11.5-deg w longitude and was used to maintain that position. It provided 1200 phone channels and two color TV (including eight voice) channels which operated between 4 and 6 GHz. It was used for communication between Europe, Africa, South America, and the East Coast of North America.

Alternate Names

  • Symphonie-A
  • 07578
  • Symphonie1

Facts in Brief

Launch Date: 1974-12-19
Launch Vehicle: Delta
Launch Site: Cape Canaveral, United States
Mass: 402 kg

Funding Agencies

  • Centre National d'Etudes Spatiales (France)
  • Unknown (United States)
  • Gesellschaft fuer Weltraumforschung, Germany (Federal Republic of Germany)


  • Communications

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office



NameRoleOriginal AffiliationE-mail
Mr. P. ViellardProject ManagerCentre National d'Etudes Spatiales
Dr. Burkhard PfeifferProject ManagerGes fur Weltraumforschung
Mr. Robert J. GossGeneral ContactNASA Goddard Space Flight Center
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