YAOGAN 4 is a remote sensing satellite launched on a Long March 2D rocket on 2008 December 1 at 04:42 UT at the Jiuquan Satellite Launch Center in northwestern China's Gansu Province. The initial orbital parameters were period 98 min, apogee 644 km, perigee 642 km, and inclination 98 degrees.
Facts in Brief
Launch Date: 2008-12-01
Launch Vehicle: Long March 2D
Launch Site: Jiuquan, Peoples Republic of China