Kosmos 550

  1973-011A

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Zenit-4MK mission 22, Kosmos-550, was launched in Mar 1973 from Plesetsk. The mission was 10 days in length. 

Kosmos-550
Date	Time	Event	Orbit
1973 Mar 1	1240:02	Launch by 11A57	PL
	1244	Blok-I burn
	1248	Blok-I sep
	1824		89.72 205 x 315 x 65.4
1973 Mar 2	0500		89.73 206 x 317 x 65.42 (RAE)
1973 Mar 2	0622		89.72 205 x 316 x 65.4
		Lower orbit
1973 Mar 4	1932		89.37 184 x 301 x 65.4
1973 Mar 10	1827		89.29 183 x 295 x 65.4
1973 Mar 10	1900		89.29 183 x 296 x 65.42 (RAE)
1973 Mar 11	0255	Engine sep
	0618?	Retrofire
	0628?	PO sep
	0633?	Entry
	0648?	Landed