 Artist impression of a Viking orbiter releasing a lander descent capsule |
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Manufacturer | Jet Propulsion Laboratory / Martin Marietta |
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Country of origin | United States |
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Operator | NASA / JPL |
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Applications | Mars orbiter/lander |
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Launch mass | 3,527 kilograms (7,776 lb) |
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Power | Orbiters: 620 watts (solar array) Lander: 70 watts (two RTG units) |
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Regime | Areocentric |
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Design life | Orbiters: 4 years at Mars Landers: 4–6 years at Mars |
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Status | Retired |
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Built | 2 |
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Launched | 2 |
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Retired | Viking 1orbiter August 17, 1980 Viking 1lander July 20, 1976 (landing) to November 13, 1982
Viking 2orbiter July 25, 1978 Viking 2lander September 3, 1976 (landing) to April 11, 1980 |
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Maiden launch | Viking 1 August 20, 1975 |
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Last launch | Viking 2 September 9, 1975 |
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