祝贺，成功发射！

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10月15日8时54分，我国在酒泉卫星发射中心使用长征二号丁运载火箭，成功将云海一号04星发射升空，卫星顺利进入预定轨道，发射任务获得圆满成功。云海一号04星主要用于开展大气海洋环境要素探测、空间环境探测、防灾减灾和科学试验等任务。这次任务是长征系列运载火箭第491次飞行。

China launched a Long March 2D carrier rocket on Sunday morning to send a multirole satellite into orbit, according to China Aerospace Science and Technology Corp.

▲China launches a Long March-2D rocket placing a new Earth-observing satellite into space on Sunday. [Photo by Wang Jiangbo/For chinadaily.com.cn]

The State-owned space contractor said in a news release that the rocket blasted off at 8:54 am at the Jiuquan Satellite Launch Center in northwestern China's Gobi Desert and transported the Yunhai 1D satellite into its preset orbit.

The satellite is tasked with surveying atmospheric, marine and space environments, providing data to support disaster prevention and mitigation efforts, and carrying out scientific experiments, it noted.

▲Coded Yunhai-1 04, the satellite is lifted at 8:54 am (Beijing Time) from the Jiuquan Satellite Launch Center in Northwest China and soon entered the preset orbit. [Photo by Wang Jiangbo/For chinadaily.com.cn]

The Long March 2D rocket is propelled by liquid propellants and has a liftoff thrust of 300 metric tons. It is capable of sending spacecraft with a combined weight of 1.3 ton to a sun-synchronous orbit with an altitude of 700 kilometers.

Both of the satellite and rocket were designed and built by the Shanghai Academy of Spaceflight Technology.

The mission was China's 47th rocket launch this year and the 491st flight of the Long March rocket family, the nation's main launch vehicle fleet.

Reporter: Zhao Lei

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