Kosmos 522

 1972-077A

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Kosmos-522 was launched on 1972 Oct 4 by 11A57 from Plesetsk.

Kosmos-522
Date	Time	Event	Orbit
1972 Oct 4	1200:02	Launch by 11A57	PL
	1204	Blok-I burn
	1208	Blok-I sep
	1317		89.64 197 x 315 x 72.8
	2346		89.71 211 x 308 x 72.8
1972 Oct 6	0930		89.74 206 x 316 x 72.83 (RAE)
1972 Oct 9	1126		89.67 203 x 312 x 72.8
		Lower orbit
1972 Oct 11	0942		89.73 171 x 350 x 72.8
1972 Oct 13	0635		89.68 172 x 344 x 72.8
		Raise apogee
1972 Oct 14	0032		89.89 176 x 361 x 72.8
1972 Oct 15	0700		89.99 178 x 368 x 72.84 (RAE)
1972 Oct 15	1531		89.87 177 x 368 x 72.8
		Lower apogee?
1972 Oct 16	0631		89.74 172 x 350 x 72.8
	1530		89.70 171 x 348 x 72.8
		Raise apogee
	2300		89.94 179 x 363 x 72.8
1972 Oct 16		Engine sep (77C)
1972 Oct 17	0630		89.95 180 x 363 x 72.8
1972 Oct 19	0625?	Retrofire
	0635?	PO sep
	0639?	Entry
	0656?	Landed

Kosmos 871

 1976-118A

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Kosmos-871 was satellite 1 of Strela-1M octuplet no. 16.

Kosmos-871
Date	Time	Event	Orbit
1976 Dec 7	1023	Launch by 11K65M	PL
	1025	Stage 2 burn 1
	1030	T+7m Stage 2 MECO-1
		Stage 2 burn 2
	1121?	T+58m? Stage 2 sep
1977 Mar 25			114.74 1420 x 1466 x 74.03