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COSI

NASA’s Compton Spectrometer and Imager (COSI) is a planned wide-field soft gamma-ray telescope that will study the origins of galactic antimatter, the formation of elements, and high-energy transients across the Milky Way and beyond.

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Identity

Aliases
Compton Spectrometer and ImagerCOSI Mission
Name
COSI
Status
planned

Details

Astronauts
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Description
NASA’s Compton Spectrometer and Imager (COSI) is a planned wide-field soft gamma-ray telescope that will study the origins of galactic antimatter, the formation of elements, and high-energy transients across the Milky Way and beyond.
Destination
Near-equatorial low Earth orbit at approximately 530 km altitude for wide-field soft-gamma-ray surveys of galactic antimatter, nucleosynthesis, polarization, and high-energy transients
Programs
Vehicle Families
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Assets & Meta

Creation Time
August 13, 2026 at 18:26:38 UTC
Updated Time
August 22, 2026 at 09:10:13 UTC

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