Manifest / 01Go
Starlink Group 10-39
Falcon 9 Block 5
ProviderSpaceX
PadSpace Launch Complex 40
DateAug 21, 2026
Time (UTC)03:14 PM UTC
Launch clockT– to liftoff
T-:::
Confirmed to the minute00
02
50
47
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Success
SBIRS GEO Flight 4 (SBIRS GEO-3)
Atlas V 411United Launch AllianceSpace Launch Complex 41
Saturday, January 20, 2018 · 12:48 AM UTC
This mission is complete.
Mission Brief
This geostationary satellite is tasked with providing capabilities for early missile warning and missile defense.
PayloadSBIRS GEO Flight 4 (SBIRS GEO-3)
OrbitGeostationary Transfer Orbit
CustomerUnited Launch Alliance
Stages2
PadSpace Launch Complex 41, Cape Canaveral SFS, FL, USA
WeatherNo formal weather concerns published, temperature not reported
Mission Timeline
30 / 30100%Ground vector
Launch site
Site locked
Space Launch Complex 41
Cape Canaveral SFS, FL, USA
Global range
- Latitude
- 28.583°N
- Longitude
- 80.583°W
Range Weather
Launch commit criteria
90%
GO
FavorableNo active constraints
Weather Rules
No formal weather rule concerns published.
- Primary concern
- None published
- Rule count
- 0
- Temperature
- Not reported
- Surface wind
- Not reported
Window
12:48 AM UTC - 01:32 AM UTC
Provider
United Launch Alliance
Profile →USA • Founded 2006
United Launch Alliance (ULA) is a joint venture of Lockheed Martin Space Systems and Boeing Defense, Space & Security. ULA was formed in December 2006 by combining the teams at these companies which provide spa...
Schedule History
No meaningful launch-time or status changes recorded.
