Manifest / 01Go
Starlink Group 15-20
Falcon 9 Block 5
ProviderSpaceX
PadSpace Launch Complex 4E
DateAug 22, 2026
Time (UTC)07:25 AM UTC
Launch clockT– to liftoff
T-:::
Confirmed to the minute00
12
05
49
Back to launches
Success
ATS 4
Atlas SLV-3C CentaurUnited States Air ForceLaunch Complex 36A
Saturday, August 10, 1968 · 10:33 PM UTC
This mission is complete.
Mission Brief
ATS 4 was a satellite designed to test gravity gradient stabilization at synchronous altitude. It failed to reach the desired altitude, thus was not able to fulfill its mission objectives.
PayloadATS 4
OrbitGeosynchronous Orbit
CustomerUnited States Air Force
Stages2
PadLaunch Complex 36A, Cape Canaveral SFS, FL, USA
Mission Timeline
14 / 14100%Ground vector
Launch site
Site locked
Launch Complex 36A
Cape Canaveral SFS, FL, USA
Global range
- Latitude
- 28.471°N
- Longitude
- 80.542°W
Range Weather
Launch commit criteria
Clear
Watch
TrackingNo active constraints
Weather Rules
Tracking no weather issues at this time.
- Primary concern
- No weather issues
- Rule count
- 0
- Temperature
- Not reported
- Surface wind
- Not reported
Window
10:33 PM UTC - 10:33 PM UTC
Schedule History
No meaningful launch-time or status changes recorded.
