The PHOBOS-GRUNT & YINGHOU-1 satellite, also known as Fobos-Grunt, was a Mars orbiter launched on November 8, 2011, from the TYMSC launch site using LC45/1 and the Zenit-2SB launch vehicle. Operated by IKI/BABTS, it had dimensions of 3.5 meters in length, 2 meters in diameter, and a span of 7 meters. The satellite weighed 1820 kg at launch with a dry mass of 762 kg. Its power system consisted of two deployable fixed solar arrays and batteries. The spacecraft was manufactured by NPOL for the mission to serve as a Mars orbiter but had a lifetime expectancy of only one year.