Kosmos 427

 1971-055A

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Kosmos-427 was launched in Jun 1971 from Plesetsk, the fifth Zenit-4MK satellite. The mission lasted 12 days.

Kosmos-427
Date	Time	Event	Orbit
1971 Jun 11	1000:00	Launch by 11A57	PL
	1004	Blok-I burn
	1008	Blok-I sep
	2315		89.66 199 x 314 x 72.8
1971 Jun 12	0700		89.70 204 x 314 x 72.84 (RAE)
	1710		89.49 186 x 311 x 72.8
		Orbit adjust
1971 Jun 13	1105		89.60 184 x 324 x 72.8
1971 Jun 14	0800		89.59 184 x 323 x 72.9
		Orbit adjust
1971 Jun 15	1822		89.66 186 x 328 x 72.8
1971 Jun 17	2130		89.63 187 x 324 x 72.8
		Orbit lower
1971 Jun 18	1506		89.40 174 x 314 x 72.8
1971 Jun 21	0155		89.35 174 x 310 x 72.9
		Orbit raise
	1030		89.80 180 x 349 x 72.9
1971 Jun 22	0837		89.46 177 x 318 x 72.8
	2130		89.48 177 x 319 x 72.85 (RAE)
	2203		89.44 176 x 317 x 72.8
1971 Jun 23	0120?	Engine sep
	0356?	Retrofire
	0406?	PO sep
	0411?	Entry
	0426?	Landed