 The basic vehicle was 3.1 m high and consisted of a lunar capsule covered with a balsa wood impact-limiter, 650 mm in diameter, a mono-propellant mid-course motor, a retrorocket with a thrust of 5080 pounds force (22.6 kN), and a gold- and chrome-plated hexagonal base 1.5 m in diameter.A large high-gain dish antenna was attached to the base.Two wing-like solar panels (5.2 m across) were attached to the base and deployed early in the flight.