SpaceX Launches Interstellar Mapping and Acceleration Probe (IMAP)

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Interstellar Mapping and Acceleration Probe (IMAP) will help researchers better understand the boundary of the heliosphere, a magnetic barrier surrounding our solar system. This region is where the constant flow of particles from our Sun, called the solar wind, collides with winds from other stars. This collision limits the amount of harmful cosmic radiation entering the heliosphere. IMAP will collect and map neutral particles that make it through, as well as investigate the fundamental processes of how particles are accelerated in space, from its vantage point orbiting the Sun at the Lagrange 1 point directly between the Sun and Earth. Launch target: September 24th at 7:30:50AM EDT (11:30:50 UTC) Mission: Falcon 9 launch of NASA's IMAP spacecraft and two rideshares Launch location: Launch Complex 39A, Kennedy Space Center, Earth. Target orbit: Sun-Earth Lagrange Point 1 Booster: B1096-2; 70d 5h 50s turnaround Booster history: Kuiper Falcon 1 (KF-01) Satellites launched: 24, will be 27 after this launch Booster recovery: Just Read The Instructions (JRTI) Fairing halves: SN230-1 (passive) and SN237-1 (active) Fairing recovery: Bob Rocket trajectory: Straight east Payload mass: Approximately 1,500kg Primary Payload: NASA's Interstellar Mapping and Acceleration Probe (IMAP) Secondary Payload: NASA's Carruthers Geocorona Observatory Secondary Payload: NOAA's Space Weather Follow-On Lagrange 1 (SWFO-L1) Stats: - SpaceX's 564th launch overall. - SpaceX's 125th launch of the

Published 2025-09-24 · Watch on YouTube ↗
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