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Long March 12B | Demo Flight (SpaceSail Polar Group #10)
Long March 12B | Demo Flight (SpaceSail Polar Group #10) launched on Mon, Jun 1, 2026, 08:40 AM UTC — a China Aerospace Science and Technology Corporation mission.
Launch SuccessfulChina Aerospace Science and Technology Corporation
Lifted offNET Jun 2026
NET Mon, Jun 1, 2026, 08:40 AM UTC
Mission profile
The flight at a glance
Flight simulation
Ascent to orbit
A representative gravity-turn climb for Long March 12B to Polar Orbit. Illustrative model — not this mission’s live telemetry.
Mission timeT+0:00
Altitude0.0 km
Velocity0.00 km/s
PhaseLiftoff
T+0:00 / 9:20
SimulatedRepresentative Long March 12B ascent profile — illustrative model, not this mission’s live telemetry.
The mission
Demo Flight (SpaceSail Polar Group #10)
First test launch of CASC/CACL’s Long March 12B rocket; carried a batch of 2 operational Low Earth Orbit communication satellites with Ku, Q and V band payloads for the G60 constellation operated by Shanghai Spacesail Technologies with funding backed by the Shanghai local government. Initial constellation will consist of 1296 satellites by 2027 with long term plans to expand it to 12000 satellites.
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 12B | Demo Flight (SpaceSail Polar Group #10) launch?
Long March 12B | Demo Flight (SpaceSail Polar Group #10) is scheduled to lift off Mon, Jun 1, 2026, 08:40 AM UTC.
Where can I watch Long March 12B | Demo Flight (SpaceSail Polar Group #10)?
A live webcast will appear on this page as soon as the provider publishes a stream link.
Who is launching Long March 12B | Demo Flight (SpaceSail Polar Group #10)?
Long March 12B | Demo Flight (SpaceSail Polar Group #10) is an China Aerospace Science and Technology Corporation mission flying on a Long March 12B.
Where does Long March 12B | Demo Flight (SpaceSail Polar Group #10) launch from?
It lifts off from Long March 12 series Pad, Jiuquan Satellite Launch Center, People's Republic of China.