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IMAP

NASA Interstellar Mapping and Acceleration Probe (IMAP) is an active heliophysics mission launched on 24 September 2025. Stationed at Sun-Earth L1, IMAP maps the heliosphere boundary, studies solar-wind and interstellar particles, and supports space-weather observations.

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Identity

Aliases
Interstellar Mapping and Acceleration ProbeIMAP MissionIMAP
Name
IMAP
Status
active

Details

Astronauts
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Description
NASA Interstellar Mapping and Acceleration Probe (IMAP) is an active heliophysics mission launched on 24 September 2025. Stationed at Sun-Earth L1, IMAP maps the heliosphere boundary, studies solar-wind and interstellar particles, and supports space-weather observations.
Destination
Sun–Earth L1 Lagrange Point for mapping the heliosphere boundary and measuring solar-wind and interstellar particles
Launch Site
Programs
Start Date
2025-09-24
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Creation Time
August 13, 2026 at 18:01:08 UTC
Updated Time
August 23, 2026 at 20:12:58 UTC

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