A LM-3B carrier rocket lifted off from the Xichang Satellite Launch Center at 2:09 Beijing time on June 25,successfully putting the BeiDou 3 IGSO-2 satellite into orbit. IGSO-2 satellite,the 21st BeiDou 3 satellite as well as the 46th BeiDou Navigation Satellite System (BDS) satellite,was developed by the China Academy of Space Technology (CAST).At present,there are 18 MEO,I GEO and IGSO satellites among all the BeiDou 3 satellites.
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