برنامه وایکینگ

Key facts

Manufacturer

Jet Propulsion Laboratory / Martin Marietta

Country of origin

United States

Operator

NASA / JPL

Applications

Mars orbiter/lander

Launch mass

3,527 kilograms (7,776 lb)

Power

Orbiters: 620 watts ( solar array ), Lander: 70 watts (two RTG units)

Regime

Areocentric

Design life

Orbiters: 4 years at Mars, Landers: 4–6 years at Mars

Status

Retired

Retired

Viking 1 orbiter, August 17, 1980 , Viking 1 lander, July 20, 1976 (landing) to November 13, 1982 , Viking 2 orbiter, July 25, 1978 , Viking 2 lander, September 3, 1976 (landing) to April 11, 1980

Maiden launch

Viking 1 , August 20, 1975