Manifest / 01Go
Nancy Grace Roman Space Telescope
Falcon Heavy
ProviderSpaceX
PadLaunch Complex 39A
DateAug 30, 2026
Time (UTC)11:26 AM UTC
Launch clockT– to liftoff
T-:::
Confirmed to the minute03
21
52
55
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MTG-I2
Ariane 62ArianespaceAriane Launch Area 4
Thursday, August 27, 2026 · 08:10 PM UTC
NextVulcain 2.1 IgnitionT-00:07
Time to launch
Launch Window Confidence
88% — High ConfidenceWatch launch
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Watch status
Official stream is available.
Mission Brief
Third of EUMETSAT's third generation of weather satellite.
PayloadMTG-I2
OrbitGeostationary Transfer Orbit
CustomerArianespace
Stages2
PadAriane Launch Area 4, Guiana Space Centre, French Guiana
Mission Timeline
0 / 80%Up next · Countdown
Vulcain 2.1 Ignition
Main-stage Vulcain 2.1 engine ignition before liftoff
T-00:07
08:09 PM UTC
- Vulcain 2.1 IgnitionT-00:0708:09 PM UTC
Ground vector
Launch site
Site locked
Ariane Launch Area 4
Guiana Space Centre, French Guiana
Global range
- Latitude
- 5.256°N
- Longitude
- 52.787°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
- 85 F
- Surface wind
- 11 mph E
Forecasted weather at launch time (08:00 PM UTC): Clear. Source: Open-Meteo global forecast
Window
08:10 PM UTC - 10:40 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
Only meaningful launch-time and status changes are shown.
Aug 2712:00 AM
Aug 2708:10 PM
TBD → GoSchedule updated
Aug 3112:00 AM
Aug 2712:00 AM
Schedule updated
Sep 3012:00 AM
Aug 3112:00 AM
Schedule updated
