a NASA robotic spacecraft currently orbiting the Moon in an eccentric polar mapping orbit.

Lunar Orbiter 5, the last of the "Lunar Orbiter series", was designed to take additional Apollo and Surveyor landing site photography and to take broad survey images of unphotographed parts of the Moon's far side.

a series of five uncrewed lunar orbiter missions launched by the United States in 1966 and 1967.

The 1966 Lunar Orbiter 2 robotic spacecraft mission, part of the Lunar Orbiter Program, was designed primarily to photograph smooth areas of the lunar surface for selection and verification of safe landing sites for the Surveyor and Apollo missions.