Manifest / 01Go
Chang'e 7
Long March 5
ProviderChina Aerospace Science and Technology Corporation
Pad101
DateAug 24, 2026
PrecisionAbout 12:05 AM UTC
Schedule watchTracking updates
T– about 1d 14hWindow opens 12:00 AM UTC
Back to launches
Go
Sentinel-3C & FLEX
Vega-CAvio S.p.AAriane Launch Area 1 (ELV)
Tuesday, September 15, 2026 · 01:21 AM UTC
NextVehicle RolloutT-48:00:00
Time to launch
Launch Window Confidence
88% — High ConfidenceMission Brief
Sentinel-3C is the third satellite in the Sentinel-3 constellation, which provides high-accuracy optical, radar and altimetry data for marine and land services. The Fluorescence Explorer (FLEX) satellite is a part of ESA's Earth Explorer program. The satellite will map vegetation fluorescence to quantify photosynthetic activity.
PayloadSentinel-3C & FLEX
OrbitSun-Synchronous Orbit
CustomerCopernicus
Stages4
PadAriane Launch Area 1 (ELV), Guiana Space Centre, French Guiana
Mission Timeline
1 / 147%Up next · Pre-launch
Vehicle Rollout
Rocket transported to the launch pad
T-48:00:00
01:21 AM UTC
- Vehicle RolloutT-48:00:0001:21 AM UTC
- Wet Dress RehearsalT-24:00:0001:21 AM UTC
- Launch Day PrepT-06:00:0007:21 PM UTC
Ground vector
Launch site
Site locked
Ariane Launch Area 1 (ELV)
Guiana Space Centre, French Guiana
Global range
- Latitude
- 5.236°N
- Longitude
- 52.775°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
01:21 AM UTC - 01:21 AM UTC
Provider
Avio S.p.A
Profile →ITA • Founded 1908
Avio S.p.A. is an Italian company operating in the aerospace sector with its head office in Colleferro near Rome, Italy. Founded in 1908, it is present in Italy and abroad with different commercial offices and...
Schedule History
Only meaningful launch-time and status changes are shown.
Sep 1112:00 AM
Sep 1501:21 AM
TBD → GoSchedule updated
Sep 912:00 AM
Sep 1112:00 AM
Schedule updated
Sep 112:00 AM
Sep 912:00 AM
Schedule updated
