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SpaceX
Falcon 9 Block 5 | Koreasat 6A

Recorded mission coverage
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Mission brief
The flight at a glance.
The Koreasat 6A spacecraft, built by Thales Alenia Space, will have 20 transponders for fixed satellite services and six for TV broadcasting to replace the Koreasat 6 launched in 2010. Koreasat 6A will be based on the manufacturer’s Spacebus 4000B2 platform and is expected to weigh about 3.5 metric tons at launch. It will be designed to operate for at least 15 years.
Open the full mission →Published flight sequence
Know what comes next.
Planned timings relative to the target. These steps do not indicate live progress.
- T−00:38:00
GO for Prop Load
- T−00:35:00
Stage 1 LOX Load
- T−00:35:00
Prop Load
- T−00:16:00
Stage 2 LOX Load
- T−00:07:00
Engine Chill
- T−00:01:00
Startup
See all 24 published steps ↓
- T−00:01:00
Tank Press
- T−00:00:45
GO for Launch
- T−00:00:03
Ignition
- T+00:00:00
Liftoff
- T+00:01:09
Max-Q
- T+00:02:17
MECO
- T+00:02:21
Stage 2 Separation
- T+00:02:25
Stage 1 Flip
- T+00:02:28
SES-1
- T+00:02:34
Booster Boostback Burn Startup
- T+00:03:08
Fairing Separation
- T+00:03:29
Booster Boostback Burn Shutdown
- T+00:06:28
Entry Burn Startup
- T+00:06:51
Entry Burn Shutdown
- T+00:07:41
Stage 1 Landing Burn
- T+00:08:03
SECO-1
- T+00:08:04
Stage 1 Landing
- T+00:34:35
Payload Separation
