Long March 4B
ActiveChina Aerospace Science and Technology Corporation (CASC)
May 10, 1999
Description
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.
Specifications
-
Stages
3 -
Length
44.1 m -
Diameter
3.35 m -
Fairing Diameter
― -
Launch Mass
249.0 T -
Thrust
2961.0 kN
Family
-
Name
Long March 4B -
Family
― -
Variant
B -
Alias
― -
Full Name
Long March 4B
Payload Capacity
-
Launch Cost
― -
Low Earth Orbit
4200.0 kg -
Geostationary Transfer
Orbit
1500.0 kg -
Direct Geostationary
― -
Sun-Synchronous Capacity
―
China Aerospace Science and Technology Corporation
Government
Chairman & President: Lei Fanpei
CASC 1999The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.
Long March 4B | Yaogan 53-01 to 03/56-01 to 03
China Aerospace Science and Technology Corporation | ChinaJiuquan Satellite Launch Center, People's Republic of China
Long March 4B | Haiyang 2E
China Aerospace Science and Technology Corporation | ChinaJiuquan Satellite Launch Center, People's Republic of China
Status: Launch Successful
Mission:
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)
Sun-Synchronous OrbitLong March 4B | Tianhui 7
China Aerospace Science and Technology Corporation | ChinaJiuquan Satellite Launch Center, People's Republic of China
Long March 4B | Ziyuan-3-04
China Aerospace Science and Technology Corporation | ChinaTaiyuan Satellite Launch Center, People's Republic of China
Status: Launch Successful
Mission:
The ZY-3 (Ziyuan-3, 'Resource-3') series represents China's first high-resolution, stereoscopic mapping satellites for civilian use. The second satellite is managed by the Satellite Surveying and Mapping Application Center (SASMAC). The imaging payload consists of a three-line camera array and a multispectral imager. The three-line panchromatic camera array to acquire stereoscopic imagery consists of three telescopic cameras with one oriented to the nadir and the other two each offset by 22° forward and backward in flight direction. The stereo mapping camera of ZY-3 has a resolution of 2.1 m for the nadir camera, and 2.6 m for the offset cameras. The swath width is 51 km. The multispectral imager for environmental and vegetation monitoring consists of a three-mirror telescope and a cooled detector system sensitive to four wavelength bands to capture full-color imagery as well as near-infrared data. The ground resolution of this system is 5.8 m.
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