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2007年5月14日00:01,我国承制的尼日利亚通信卫星-1(NIGCOMSAT-1)由长征-3B火箭发射至近地点209km、远地点41951km、轨道倾角25°的超地球同步转移轨道。这次发射是根据我国与尼日利亚签订的尼日利亚通信卫星-1轨道交付合同实施的,也是我国首次以火箭、卫星及发射支持的整体方式,为国际用户提供商业卫星服务。该卫星采用我国第3代通信广播卫星平台——东方
On May 14, 2007 at 00:01, the Nigerian Communications Satellite-1 (NIGCOMSAT-1), launched by our country, was launched by the Long March 3B rocket to a super-geosynchronous transfer orbit at a distance of 209km, apogee of 41951km and inclination of 25 °. The launch is based on the Nigerian communications satellite-1 orbit delivery contract signed by our country and Nigeria and is also the first time that China has provided commercial satellite services to international users in a holistic manner supported by rockets, satellites and launches. The satellite uses the 3rd generation of China’s communications and broadcasting satellite platform - the East