Kosmos 502

  1972-055A

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The second Zenit-4MT satellite was launched in Jul 1972 by Soyuz-M. The Orion payload, Kosmos-502, flew a 12 day mission at 65.4 degrees from Plesetsk.

Kosmos-502
Date	Time	Event	Orbit
1972 Jul 13	1430:25	Launch by 11A511M	PL
	1435	Blok-I burn
	1439	Blok-I sep
	2012		89.19 210 x 258 x 65.4
1972 Jul 14	0338		89.15 203 x 261 x 65.4
1972 Jul 14	0700		89.16 204 x 262 x 65.4
1972 Jul 18	1306		89.07 198 x 258 x 65.4
1972 Jul 24	2025		88.93 194 x 248 x 65.4
1972 Jul 25	0130?	Capsule sep
	0645?	Retrofire
	0655?	PO sep
	0701?	Entry
	0716?	Landed

Aviation Week: February 20,1995

 https://welib.org/md5/8d4e713948d0c4b6ac45e35eb0ea4aa6

Opera Canada: autumn 1993

 https://welib.org/md5/92f07fdb6194f0d746f1d6986bd8784a

Spaceflight: March 1995

 https://welib.org/md5/b80a8329daec9937d1ebc3ce486ba44b

Kosmos 2171

 1991-078A

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Kosmos-2171
Date	Time	Event	Orbit
1991 Nov 20	1915:00	Launch by Soyuz	PL
	1923	Blok-I sep
1991 Nov 20			89.62 188 x 322 x 62.8
1991 Nov 29			89.00 175 x 274 x 62.8
		Orbit raise	89.65 180 x 333 x 62.8
1991 Dec 10		SpK-1 fid
1991 Dec 11			88.82 166 x 266 x 62.8
		Orbit raise	89.73 171 x 350 x 62.8
1991 Dec 16			89.18 162 x 305 x 62.8
		Orbit raise	89.57 187 x 315 x 62.8
1991 Dec 23			89.07 177 x 279 x 62.8
		Orbit raise	89.74 183 x 339 x 62.8
1991 Dec 30			89.25 176 x 298 x 62.8
		Orbit raise	89.74 180 x 342 x 62.8
1991 Dec 31		SpK-2 fid
1992 Jan 7			89.04 168 x 285 x 62.8
1992 Jan 8		Orbit raise	89.71 176 x 343 x 62.8
1992 Jan 13			89.15 168 x 296 x 62.8
1992 Jan 14		Orbit raise	89.71 191 x 328 x 62.8
1992 Jan 17			89.51 187 x 312 x 62.8
	1844?	Deorbit
	1859?	Entry
	1911?	Landed

Kosmos 475

  1972-009A

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Kosmos-475 was launched on 1972 Feb 25 from Plesetsk. It replaced the first of the 1000 km satellites, Kosmos-385.

Kosmos-475
Date	Time	Event	Orbit
1972 Feb 25	0752:29?	Launch by 11K65M	PL
		Stage 2 burn
	0800?	Stage 2 coast
	0854?	Stage 2 burn 2
	0855?	Stage 2 sep
	1900		104.81 970 x 1000 x 74.08