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Program archive
Horizon 2000
Horizon 2000 is explored here through 4 archived missions, from XMM-Newton through Planck, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.
- Missions
- 4
- People
- 0
- Vehicles
- 4
Explore this program
Choose a path through the Horizon 2000 archive.
Explore the Horizon 2000 program
Follow 4 archived missions, their spacecraft, science payloads, milestones, and source-backed records in one program collection.
Program details1999–20094 mission records
Flight record4 flights4 robotic or uncrewed
First flown missionXMM-NewtonDecember 10, 1999
Latest flown missionPlanck2009
Program story
This collection brings together the mission records currently available for Horizon 2000. Use the sections above to move from the chronological flight record to science payloads, spacecraft, timeline milestones, and archival imagery.