On September 20, the spacecraft soft landed on the lunar surface as planned. The spacecraft was equipped with an extendable arm with a drilling rig for the collection of a lunar soil sample. After 26 hours and 25 minutes on the lunar surface, the ascent stage, with a hermetically sealed soil sample container, left the lunar surface carrying 100 grams of collected material. It landed in the Soviet Union on September 24, 1970. The lower stage of Luna 16 remained on the lunar surface and continued transmission of lunar temperature and radiation data.
Parameters are for lunar orbit.
M2-F3 flight 17. Maximum Speed - 935 kph. Maximum Altitude - 14020 m. Flight Time - 387 sec. Soyuz 11A511U .