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LoadingLong March 4B
Long March 4B | Haiyang 2E
Long March 4B | Haiyang 2E launched on Wed, Jul 1, 2026, 11:46 PM UTC — a China Aerospace Science and Technology Corporation mission.
Launch SuccessfulChina Aerospace Science and Technology Corporation
Lifted offNET Jul 2026
NET Wed, Jul 1, 2026, 11:46 PM UTC
Mission profile
The flight at a glance
Long March 4BVehicle
China Aerospace Science and Technology CorporationProvider
Launch Area 94 (SLS-2 / 603)Pad
Jiuquan Satellite Launch Center, People's Republic of ChinaLocation
Earth ScienceMission type
Sun-Synchronous OrbitOrbit
Flight simulation
Ascent to orbit
A representative gravity-turn climb for Long March 4B to Sun-Synchronous Orbit. Illustrative model — not this mission’s live telemetry.
Mission timeT+0:00
Altitude0.0 km
Velocity0.00 km/s
PhaseLiftoff
T+0:00 / 8:50
SimulatedRepresentative Long March 4B ascent profile — illustrative model, not this mission’s live telemetry.
The mission
Haiyang 2E
Haiyang 2E (Chinese: "Ocean"), abbreviated HY-2E, is a marine remote sensing satellite of China. The HY-2 series' primary objective is to measure ocean dynamic and regional environmental trends in the microwave spectral range, plus measurements of parameters such as marine wind vector, marine surface heat and Sea Surface Temperature (SST). These ocean dynamics real-time data aid aero-marine forecasts for the prevention of, and relief in the event of, natural disasters. Instruments carried include: * Microwave Radiometer Imager (MWRI) * Radar Altimeter (RA) * Ku-band Rotational Fan-beam Scatterometer (SCAT)
Around this launch
Related news
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As coverage publishes, deduplicated articles about this mission will appear here.
Good to know
Frequently asked
What time does Long March 4B | Haiyang 2E launch?
Long March 4B | Haiyang 2E is scheduled to lift off Wed, Jul 1, 2026, 11:46 PM UTC.
Where can I watch Long March 4B | Haiyang 2E?
A live webcast will appear on this page as soon as the provider publishes a stream link.
Who is launching Long March 4B | Haiyang 2E?
Long March 4B | Haiyang 2E is an China Aerospace Science and Technology Corporation mission flying on a Long March 4B.
Where does Long March 4B | Haiyang 2E launch from?
It lifts off from Launch Area 94 (SLS-2 / 603), Jiuquan Satellite Launch Center, People's Republic of China.