On December 15, 2013 at 00:35 UTC China's first moon rover, "Yutu” (Jade Rabbit) separated from the lander several hours after the Chang'e-3 probe soft-landed on the lunar surface. The rover disconnected from the landing platform beginning about six hours after touchdown, severing electrical and mechanical connections before sliding off the lander on a ramp and driving on to the moon's surface. The rover is designed for a three-month mission, and the Chang'e 3 lander could operate more than a year. The rover stands nearly 1,1 meter tall and has a mass of 140 kilograms. The first world automatic moon rover was the Soviet "Lunochod-1” which worked on the Moon’s surface from November 1970 till September 1971 and went the path length of 10 540 meters. It had a high of 1,92 meters and a mass of 756 kilograms.