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Solar Terrestrial Probes

Solar Terrestrial is explored here through 3 archived missions, from STEREO through IMAP, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.

Missions: 3
People: 0
Vehicles: 3

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Currently viewing · Science & Payloads

OverviewStory and scope Missions3 records Science & PayloadsScience and payloads Spacecraft3 spacecraft TimelineProgram chronology PhotosMission imagery

Solar Terrestrial Probes science and payloads

The instruments, experiments, destinations, and scientific purpose connected to each robotic mission.

Uncrewed solar and heliophysics observatorySTEREOSeparate heliocentric orbits ahead of and behind Earth

Spacecraft: STEREO spacecraft pair
Launch vehicle: Delta II 7925-10L
Science payload: Twin SECCHI imaging suites plus IMPACT particle and field instruments, PLASTIC plasma instruments, and S/WAVES radio-burst receivers

Open science record →Uncrewed geospace and heliophysics observatoryMagnetospheric MultiscaleFour-spacecraft tetrahedral formation in highly elliptical Earth orbit

Spacecraft: Magnetospheric Multiscale spacecraft constellation
Launch vehicle: Atlas V 421
Science payload: More than 100 sensors across fast-plasma, energetic-particle, electric-field, magnetic-field, and active spacecraft-potential-control suites

Open science record →Robotic missionIMAPHalo orbit around Sun-Earth Lagrange point 1, about one million miles from Earth

Observatory: IMAP observatory
Launch vehicle: Falcon 9 Block 5
Science payload: Ten instruments measuring energetic neutral atoms, solar wind and pickup ions, electrons, magnetic fields, energetic particles, ultraviolet glow, and interstellar dust

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