The Mission and Spacecraft Library


Viking was designed to orbit Mars and to land and operate ont he planet's surface. Two identical spacecraft, each consisting of a lander and an orbiter, were built. These spacecraft were launched from Cape Canaveral, Florida in 1975. They spent nearly a year cruising to Mars. Viking 1 reached Mars orbit June 19, 1976, and Viking 2 began orbiting August 7, 1976. Viking 1 landed on Mars July 20, 1976 on the western slope of Chruse Planitia (the Plains of Gold) at 22.3 deg N latitude, 48 deg longitude.

Country of Origin United States
Customer/User NASA

Launch Facts
 Name  Int'l Desig.  Date  Site  Vehicle  Orbit  Mass(kg)
 Viking 1  1975-075A  8/20/75  ESMC  Titan 3E Centaur    3399
 Viking 2  1975-083A  9/9/75  ESMC  Titan 3E Centaur    3399

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