SpaceXFalcon 9 Block 5Space Launch Complex 40, Cape Canaveral SFS, FL, USA

COSI (Compton Spectrometer and Imager)

Launch window

NET August 2027Add to calendar

To Be Determined

Image: SpaceX

Summary

COSI (Compton Spectrometer and Imager) is expected to launch on a SpaceX Falcon 9 Block 5 from Space Launch Complex 40, Cape Canaveral SFS, FL, USA in August 2027. It is SpaceX's 813th launch, 31st this year and humanity's 7,592nd orbital launch attempt. It is planned as the 707th Falcon 9 Block 5 flight and the 26th this year. The payload is bound for low Earth orbit (LEO).

Watch: No webcast announced yet.
Vehicle: Falcon 9 Block 5 · SpaceX
Booster: No booster details available.
Mission: Astrophysics · Low Earth Orbit (LEO)for NASA
Milestone: Planned as the 707th Falcon 9 Block 5 flight · 26th this yearSpaceX's 813th launch31st this yearhumanity's 7,592nd orbital launch attempt61st orbital launch attempt this year

Flight preview

About this launch

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.

News

1 story

NASA · Sep 18COSI Telescope Comes TogetherUC Berkeley engineers and managers watch as the COSI (Compton Spectrometer and Imager) detector assembly is slowly raised from a table in this July 8, 2026, image. The four pieces of silver material on the top of the detector box cover the flex circuits, which carry signals from the detectors to the readout electronics. COSI […]

Pad

Space Launch Complex 40, Cape Canaveral SFS, FL, USA

Planned as the 415th launch from Space Launch Complex 40, 8th this year · 1,195th from Cape Canaveral SFS, FL, USA

403 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA

31 days after the previous launch from this pad

All launches from Cape Canaveral SFS, FL, USA Open in maps

Updates

Adding launch NET August 2027

Nosu · Jul 2, 2024 · source

Questions

When does COSI (Compton Spectrometer and Imager) launch?

COSI (Compton Spectrometer and Imager) is scheduled in August 2027.

Where can I watch COSI (Compton Spectrometer and Imager) live?

No webcast has been announced yet.

What rocket is launching COSI (Compton Spectrometer and Imager)?

Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet

Where is COSI (Compton Spectrometer and Imager) launching from?

Space Launch Complex 40, Cape Canaveral SFS, FL, USA.

What orbit is COSI (Compton Spectrometer and Imager) going to?

Low Earth Orbit (LEO), a astrophysics mission.