Falcon 9 Block 5: COSI (Compton Spectrometer and Imager)
expected August 2027
expected August 2027
—hype
Live score from visits, saves, calendar adds, shares, and comments.The clock starts when an exact day is announced.
About this moment
Falcon 9 Block 5: COSI (Compton Spectrometer and Imager) is expected August 2027. The exact day has not been announced yet.
SpaceX is preparing to launch COSI (Compton Spectrometer and Imager) on a Falcon 9 Block 5 from Cape Canaveral SFS, FL, USA. 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. Launch is expected in August 2027 and no firm date has been announced yet.
The source has announced a date range. An exact day has not been confirmed.
- Where
- United States of AmericaCape Canaveral SFS, FL, USA
- Explore related topics
- launchspacexfalcon-9low-earth-orbit
Date source
Last verified Sep 16, 2026
Sources and attributionsThis is a public listing. If the date or details look wrong, tell us.
Comments
Opening comments…
Also on the horizon
Explore moreFalcon 9 Block 5: Exolaunch Exo-1
expected Q4 2027
United States of America
Falcon 9 Block 5: SEOPS Waymaker-1
expected Q1 2028
United States of America
Falcon 9 Block 5: Exolaunch Exo-2
expected 2028
United States of America
Starship: Starlab
expected 2029
United States of America
Falcon 9 Block 5: Arabsat 7A
expected October 2027
United States of America
Falcon 9 Block 5: SICRAL 3B
expected November 2027
United States of America

