Helios 1-s/Helios-A.
Category. Statistic.
Launch vehicle. Titan IIIE / Centaur.
Launch date. 1974-12-10 07:11:01.5 UTC (A) and 1976-01-15 05:34:00 UTC (B).
Launch site. Cape Canaveral Air Force Station SLC-41.
Ceased operations. February 18th, 1985 (A) and December 23, 1979 (B).
Owner(s). DFVLR (70% share) and NASA (30% share).
Major contractor(s) . Messerschmitt-Bölkow-Blohm (MMB).
Is it still in orbit. Unknown, probably burnt up by the Sun.
Launch mass. 370 kg (820 lb).
Nationality(s). W. Germany with American technical and fiscal help.
Satellite type. Sun orbiter.
Links. and
Helios spacecraft

Prototype of the Helios spacecraft A Helios spacecraft prototype was encapsulated in its payload fairing in the Spacecraft Assembly and Encapsulation Facility [SAEF] here today. A flight version of the West German-built solar probe will be launched aboard a Titan/Centaur from Complex 41. The prototype is to be moved to Complex 41 for mating with the Titan/Centaur in early October. It will be removed and returned to the SAEF after completion of the Titan/Centaur terminal countdown demonstration in late October.

Helios 1-s/Helios-A was such a success it was flowed by the identical Helios 2-s/Helios-B a year later.

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