Program archive

Twin robotic lunar orbiters

Twin robotic lunar is explored here through 1 archived mission, from GRAIL through GRAIL, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.

Missions: 1
People: 0
Vehicles: 1

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Choose a path through the Twin robotic lunar orbiters archive.

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Explore the Twin robotic lunar orbiters program

Follow 1 archived mission, their spacecraft, science payloads, milestones, and source-backed records in one program collection.

Program details20111 mission record

Flight record1 flight1 robotic or uncrewed

First flown missionGRAILSeptember 10, 2011

Program story

This collection brings together the mission records currently available for Twin robotic lunar orbiters. Use the sections above to move from the chronological flight record to science payloads, spacecraft, timeline milestones, and archival imagery.