All launches
TBD

OneWeb L?

Ariane 64ArianespaceAriane Launch Area 4
2027 · Date and time TBD

NextVulcain 2.1 IgnitionT-00:07

Calendar available when time is confirmed
Time to launch
2027Exact time confirmed closer to launch
Launch window confidence
46% — Uncertain
Mission brief

The mission

A batch of satellites for the OneWeb satellite constellation, which is intended to provide global Internet broadband service for individual consumers. The constellation is planned to have around 648 microsatellites (of which 60 are spares), around 150 kg each, operating in Ku-band from low Earth orbit.

PayloadOneWeb L?
OrbitPolar Orbit
CustomerOneWeb
Stages2
PadAriane Launch Area 4, Guiana Space Centre, French Guiana
Flight plan

Mission timeline

0 / 90%
Up next · Countdown

Vulcain 2.1 Ignition

Main-stage Vulcain 2.1 engine ignition before liftoff

T-00:07
11:59 PM UTC
  • Vulcain 2.1 IgnitionT-00:07
The range

Where it leaves Earth

Launch site

Ground vector

Site locked

Ariane Launch Area 4

Guiana Space Centre, French Guiana

Global range
SITE LOCK
Latitude
5.256°N
Longitude
52.787°W

Can I see this?

Distance and a plain visibility call from a place you choose. Trajectory is not modeled — night launches travel farther across the sky than daylight ones.

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Range weather

Launch commit criteria

Clear
Watch
TrackingNo active constraints
Weather rules

Clear — tracking no weather issues at this time.

Primary concern
No weather issues
Rule count
0
Temperature
Not reported
Surface wind
Not reported
Window

12:00 AM UTC – 12:00 AM UTC

Hardware

Vehicle & provider

Vehicle

Ariane 64

Profile →
Height63 m
LEO Payload21,650 kg
Launches360
Successes313
Provider

Arianespace

Profile →

FRA • Founded 1980

Reliability

Schedule history

No meaningful launch-time or status changes recorded.