1040 kg, and their landing weights (minus fuel, jettisoned retrorocket, and radar unit) ranged from 294.3 kg to 306 kg.

Missions

Surveyor 1

Surveyor 1 was launched May 30, 1966 and sent directly into a trajectory to the Moon without any parking orbit. Its retrorockets were turned off at a height of about 3.4 meters above the lunar surface. Surveyor 1 fell freely to

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