Aurora
Tuning into the cosmos…
LoadingLong March 4B
Long March 4B | Unknown Payload
Long March 4B is set to launch Long March 4B | Unknown Payload on Fri, Oct 23, 2026, 06:00 PM UTC from Jiuquan Satellite Launch Center, People's Republic of China.
To Be ConfirmedChina Aerospace Science and Technology Corporation
Liftoff in
06days
22hrs
11min
NET Fri, Oct 23, 2026, 06:00 PM UTC
Mission profile
The flight at a glance
Flight simulation
Ascent to orbit
A representative gravity-turn climb for Long March 4B to Unknown. Illustrative model — not this mission’s live telemetry.
Mission timeT+0:00
Altitude0.0 km
Velocity0.00 km/s
PhaseLiftoff
T+0:00 / 8:00
SimulatedRepresentative Long March 4B ascent profile — illustrative model, not this mission’s live telemetry.
The mission
Unknown Payload
Details TBD.
Around this launch
Related news
No news linked to this launch yet
As coverage publishes, deduplicated articles about this mission will appear here.
Good to know
Frequently asked
What time does Long March 4B | Unknown Payload launch?
Long March 4B | Unknown Payload is scheduled to lift off Fri, Oct 23, 2026, 06:00 PM UTC — this page shows a live countdown.
Where can I watch Long March 4B | Unknown Payload?
A live webcast will appear on this page as soon as the provider publishes a stream link.
Who is launching Long March 4B | Unknown Payload?
Long March 4B | Unknown Payload is an China Aerospace Science and Technology Corporation mission flying on a Long March 4B.
Where does Long March 4B | Unknown Payload launch from?
It lifts off from Launch Area 94 (SLS-2 / 603), Jiuquan Satellite Launch Center, People's Republic of China.