COSI (Compton Spectrometer and Imager)
Falcon 9 Block 5, SpaceX
Space Launch Complex 40, Cape Canaveral SFS, FL, USA
Launch time
No earlier than
NET August 2027
Current date is a placeholder or rough estimation based on unreliable or interpreted sources.
How sure is this date?
The source gives month precision. Launch plans can change.
Source updated
UpdatedSlip history
No changes since we started tracking on .
- LL2 update
Adding launch NET August 2027
Read the source update
Mission
COSI (Compton Spectrometer and Imager) on Falcon 9 Block 5 from Space Launch Complex 40. Launch time, status and recorded date changes from Launch Library 2.
Wide-field gamma-ray telescope designed to study energetic phenomena in the Milky Way and beyond, including the creation and destruction of matter and antimatter and the final stages of the lives of stars. The mission is a collaboration between the University of California, Berkeley’s Space Sciences Laboratory, the University of California, San Diego, the Naval Research Laboratory, NASA’s Goddard Space Flight Center, and Northrop Grumman.
- Mission type
- Astrophysics
- Orbit
- Low Earth Orbit

Launch timeline
No timeline has been provided by the source.
Launch pad
Space Launch Complex 40
Cape Canaveral SFS, FL, USA (US)
Coordinates: 28.56194122, -80.57735736
View launch pad on a map