Helios 1B
Encyclopedia
The Hélios 1B was a French military photo-reconnaissance satellite in which Italy
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 and Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 also participated. It was launched from the Guiana Space Centre, French Guiana
French Guiana
French Guiana is an overseas region of France, consisting of a single overseas department located on the northern Atlantic coast of South America. It has borders with two nations, Brazil to the east and south, and Suriname to the west...

 on 3 December 1999 at 16:22:00 UTC. The spacecraft rode aboard an Ariane 40
Ariane 4
Ariane 4 was an expendable launch system, designed by the Centre National d'Etudes Spatiales and manufactured and marketed by its subsidiary Arianespace. Ariane 4 was justly known as the ‘workhorse’ of the Ariane family. Since its first flight on 15 June 1988 until the last, on 15 February 2003, it...

 rocket which also carried the French military reconnaissance satellite Clementine
Clementine (French satellite)
Clementine is a small satellite built by Surrey Space Technology Limited for the French DGA, ostensibly "to study the Earth's radio-electrical environment from space."It is a successor to the Cerise satellite.-References:...

. Due to power supply failures, it had to be left to disintegrate in 2005.

It has been replaced by Hélios 2A
Helios 2A
The Helios 2 system includes Helios 2A and Helios 2B, both of which are european military observation satellites used by France, Belgium, Spain . Helios 2A was launched on December 18, 2004 by an Ariane 5 rocket from French Guiana. Helios 2B was launched five years later on December 18, 2009,...

, launched on December 2004 on an Ariane 5
Ariane 5
Ariane 5 is, as a part of Ariane rocket family, an expendable launch system used to deliver payloads into geostationary transfer orbit or low Earth orbit . Ariane 5 rockets are manufactured under the authority of the European Space Agency and the Centre National d'Etudes Spatiales...

 rocket.

The name Hélios has also been used for other spacecraft - see Helios (disambiguation)
Helios (disambiguation)
Helios is the personification of the sun in Greek mythology. It may also refer to:-Literature:*Helios, character in the anime Sailor Moon*Helio , character in the Marvel Universe...

.

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