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COSI (Compton Spectrometer and Imager)

© SpaceX

All launches
SpaceX

COSI (Compton Spectrometer and Imager)

TBD

Falcon 9 Block 5
T-minus to liftoff

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HOURS

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MINUTES

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SECONDS

August 2027
StatusTBD
VehicleFalcon 9 Block 5
OrbitLow Earth Orbit
PadSpace Launch Complex 40
Pre-flight room
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Mission

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.

Quick facts

VehicleFalcon 9 Block 5
OrbitLow Earth Orbit
PadSpace Launch Complex 40
SiteCape Canaveral SFS, FL, USA
WindowTuesday August 31 2027, 00:00:00 UTC→Tuesday August 31 2027, 00:00:00 UTC

Vehicle

FamilyFalcon
Launch CodexDossier

Every source for this mission in one place — news, social, references, notes & the exact timeline.

Explore
Acquiring satellite view…
Trajectory unknown
Space Launch Complex 40
Cape Canaveral SFS, FL, USA
28.562, -80.577
Scrub riskLOW
Go92%
Q

Q's read

Weather & scrubLOW risk
Weather Go92%Wind4 m/sGusts4 m/sCloud10%Temp32°C

Limiting rule: No flight through cumulus cloud with top at or above the freezing level.

HRRR GFS F+180: CAPE 715 J/kg · K-idx 35 · freezing 15,623 ft · CIN -103 (capped)