Kosmos 186

  1967-105A

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7K-OK No. 6 was launched in Oct 1967 without a crew on board. It was named Kosmos-186. The ship was maneuvered in orbit for three days, testing the redesigned systems. On Oct 30, 7K-OK No. 5 was launched as Kosmos-188, and the two craft successfully completed a docking. This was the first automatic docking and the first docking of any kind carried out by the USSR. Kosmos-186 and Kosmos-188 separated after three hours and the descent module of Kosmos-186 was recovered the following day. 

Kosmos-186
Date	Time	Event	Orbit
1967 Oct 27	0929:59	Launch by 11A511	KB
	0934	Blok-I burn
	0939	Blok-I sep	88.33 175 x 209 x 51.66
	1600?	Rev 5 TCM
	1700		88.73 204 x 219 x 51.66
1967 Oct 28	0500		88.26 178 x 199 x 51.66
	1900		88.11 173 x 189 x 51.67
1967 Oct 29	1200		88.72 171 x 251 x 51.71
1967 Oct 30	0230		88.71 178 x 243 x 51.66
	0310	Orbit trim burn for launch of s/c 5
			88.63 164 x 250 x 51.69
	0500		88.69 180 x 240 x 51.67
	0920	Docked with 7K-OK No. 5
	1250	Undocked
	2300		88.96 192 x 255 x 51.64
1967 Oct 31	0738	Deorbit rev 65
	0742	PAO, BO sep
	0750	Ballistic descent mode
	0812	Landed in Kazakhstan