Kosmos 538

 1972-099A

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Zenit-4M flight 44 was launched in Dec 1972 from Plesetsk. 

Kosmos-538
Date	Time	Event	Orbit
1972 Dec 14	1340:02	Launch by 11A57	PL
	1344	Blok-I burn
	1348	Blok-I sep
1972 Dec 15	1316		89.37 204 x 282 x 65.4
1972 Dec 15	1430		89.38 205 x 283 x 65.40 (RAE)
		Lower orbit
1972 Dec 16	1200		89.16 184 x 282 x 65.43 (RAE)
1972 Dec 16	1305		89.15 183 x 281 x 65.4
1972 Dec 19	1352		89.09 182 x 276 x 65.4
		Raise apogee
1972 Dec 22	0425		89.38 182 x 304 x 65.4
1972 Dec 23	1610		89.35 182 x 301 x 65.4
		Raise apogee
1972 Dec 24	1432		89.64 185 x 327 x 65.4
1972 Dec 25	1855		89.63 183 x 328 x 65.4
1972 Dec 26		Engine sep (99E)
1972 Dec 27	0641?	Retrofire
	0651?	PO sep
	0656?	Entry
	0712?	Landed