All launches
TBD

Koreasat 9

Ariane 64ArianespaceAriane Launch Area 4
H2 2028 · Date and time TBD

NextVulcain 2.1 IgnitionT-00:07

Calendar available when time is confirmed
Time to launch
H2 2028Exact time confirmed closer to launch
Launch window confidence
46% — Uncertain
Mission brief

The mission

Koreasat 9 is a new geostationary telecommunications satellite designed and built by AscendArc to expand South Korea's KT SAT's capacity and support the growing demand for high-performance connectivity services. Once in its operational position in geostationary orbit, the satellite will provide hundreds of Gbps of Ka-band capacity, extending affordable broadband connectivity to underserved communities across the Asia-Pacific region.

PayloadKoreasat 9
OrbitGeostationary Transfer Orbit
CustomerArianespace
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

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FRA • Founded 1980

Reliability

Schedule history

No meaningful launch-time or status changes recorded.