Long March 4

The December 16 launch was the 115th launch for the Long March 4 series.

A Long March 4B lifted off from the Jiuquan Satellite Launch Center at 11:41 am China Standard Time (03:41 am UTC) on December 9 carrying the Yaogan-47 remote sensing spacecraft to sun-synchronous orbit.

The Long March 4B third stage is propelled by two YF-40 engines that provide 10 tons of thrust using dinitrogen tetroxide and unsymmetrical dimethylhydrazine.

Long March 4B teams implemented previously proven winter launch adaptations during the Taiyuan launch when ambient temperatures were minus twenty-five degrees Celsius.

China's Long March 4B (CZ-4B) launch vehicle successfully completed a mission launched from the Taiyuan Satellite Launch Center (TSLC).

The winter launch adaptations for the Long March 4B included installing insulative materials on the rocket's engines section, fairing, and first-to-second stage interstage that fall away after liftoff.

A Long March 4B launched from the Jiuquan Satellite Launch Center in the Inner Mongolia autonomous region, carrying the Yaogan 47 satellite.

The Long March 4B second stage is powered by a single YF-22C engine and four YF-23C verniers that together generate 80 tons of thrust using dinitrogen tetroxide and unsymmetrical dimethylhydrazine.

The payload on the December 16 Long March 4B launch was the Ziyuan-3-04 remote sensing satellite.

A Long March 4B lifted off from Launch Complex 9 at the Taiyuan Satellite Launch Center at 11:17 am China Standard Time (03:17 am UTC) on December 16, carrying a single satellite into polar orbit.

The Long March 4B can deliver multiple spacecraft with a combined mass of up to 2.5 tons into sun-synchronous orbit at an altitude of about 700 kilometers.

All three stages of the Long March 4B burn dinitrogen tetroxide and unsymmetrical dimethylhydrazine and have no engine restart capability.

Long March 4B Y61 launched the ZiYuan-3 04 satellite from Taiyuan at 03:17 UTC on December 16.

Tianqi-10 was launched on July 25th on a Long March 4B from the Taiyuan Satellite Launch Center as one of three payloads.

The Long March 4B rocket was launched from the Jiuquan Satellite Launch Center at 11:41 AM, 5 hours and 30 minutes after the first launch.

The Long March 4B rocket carried the mysterious satellite 'Yaoguan 47', which is predicted to be a Chinese military satellite.

The third-stage of the Long March 4B is propelled by two YF-40 engines providing 10 tons of thrust.

Today's launch was the 54th mission for the Long March 4B and the 114th launch for the Long March 4 series.