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
08
15
33
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Success
Syracuse 4B & Heinrich Hertz (H2Sat)
Ariane 5 ECA+ArianespaceAriane Launch Area 3
Wednesday, July 5, 2023 · 10:00 PM UTC
This mission is complete.
Mission Brief
Syracuse 4B is a French military communications satellite built by Thales Alenia Space. Heinrich Hertz (H2Sat) is a small geostationary communications satellite built by OHB System and the German Aerospace Center (DLR) to explore and test new broadband communications technologies.
PayloadSyracuse 4B & Heinrich Hertz (H2Sat)
OrbitGeostationary Transfer Orbit
CustomerArianespace
Stages2
PadAriane Launch Area 3, Guiana Space Centre, French Guiana
Mission Timeline
14 / 14100%Ground vector
Launch site
Site locked
Ariane Launch Area 3
Guiana Space Centre, French Guiana
Global range
- Latitude
- 5.239°N
- Longitude
- 52.768°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
10:00 PM UTC - 11:05 PM UTC
Provider
Arianespace
Profile →FRA • Founded 1980
Arianespace SA is a multinational company founded in 1980 as the world's first commercial launch service provider. It undertakes the production, operation, and marketing of the Ariane programme. Their vehicles...
Schedule History
No meaningful launch-time or status changes recorded.
