Data checked:

Falcon 9 Block 5 | COSI (Compton Spectrometer and Imager)
TBD

Falcon 9 Block 5 | COSI (Compton Spectrometer and Imager)

TO BE DETERMINED
> T-MINUS (NET)
--
DAYS
:
--
HRS
:
--
MIN
:
--
SEC
Target time only (NET — no earlier than). This launch is not yet confirmed and may slip.

> MISSION DATA

DATETuesday, August 31, 2027
TIME12:00 AM UTC
PROVIDERSpaceX
ROCKETFalcon 9 Block 5
PADSpace Launch Complex 40
LOCATIONCape Canaveral SFS, FL, USA
ORBITLow Earth Orbit

> MISSION BRIEFING // ASTROPHYSICS

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.

> SCHEDULE & SOURCE

Source-reported status: To Be Determined. Current date is a placeholder or rough estimation based on unreliable or interpreted sources.

Launch window: 2027-08-31 00:00:00 UTC — 2027-08-31 00:00:00 UTC.

Dates and windows may change. Passing the scheduled time does not confirm a launch outcome.

Launch data from The Space Devs

Understand launch windows and orbits · Launch provider guide