BEIJING, Jan. 5 (China Space News) -- China's heaviest and most advanced satellite, Shijian-20, reached its fixed position in geosynchronous orbit Sunday, marking the first successful flight of DFH-5 satellite platform, according to the China Aerospace Science and Technology Corporation.

The Shijian-20 satellite is the first verification satellite for DFH-5 satellite platform, China's new generation of large geosynchronous orbit satellite platform.

At present, the satellite has completed the orbit transfer and verified the key technologies of the DFH-5 satellite platform.

The Shijian-20 satellite was launched into space by the third Long March-5 rocket, China's largest carrier rocket on Dec. 27, 2019. It has carried out orbit experiments for a series of key technologies.