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Launch SuccessfulChina Aerospace Science and Technology Corporation
Long March 4B: Tianhui-2-01
At 22:52 UTC on April 29, 2019, China used a Long March 4B rocket from the Taiyuan Satellite Launch Center to successfully launch two Tianhui-2-01 satellites. The satellites will be used for scientific experiments, land resource survey, geographic survey and mapping.
Monday, 29 April 201922:52 UTC
Mission Data
🇨🇳China Aerospace Science and Technology CorporationEst. 1999
Launch VehicleLong March 4B
Vehicle FamilyLong March
Vehicle Record58 of 59 launches (98.3%)
Provider TypeGovernment
Agency Record606 successes / 16 failures (97%)
Success Streak13 consecutive
Mission TypeEarth Science
Target OrbitSun-Synchronous Orbit
Launch PadLaunch Complex 9
Location🇨🇳 Taiyuan Satellite Launch Center, People's Republic of China CHN
Orbital Launches This Year#27
Agency Launches This Year#6
Launches From This Pad80
Launches From This Site163
Status Note
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
About Long March 4B
The Long March 4B (Chinese: 长征四号乙火箭), also known as the Chang Zheng 4B, CZ-4B and LM-4B is a Chinese orbital carrier rocket. Launched from Launch Complex 1 at the Taiyuan Satellite Launch Center, it is a 3-stage rocket, used mostly to place satellites into low Earth and sun synchronous orbits.
Launch Site
Launch Complex 9 · 38.8631°N 111.5896°E
Launch data from Launch Library 2 by The Space Devs.