Kosmos 1531

 1984-003A

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Kosmos-1531
Date	Time	Event	Orbit
1984 Jan 11	1806	Launch by 11K65M	Plesetsk
		T+2:10 St 1 MECO
		T+2:12 St 1 sep
		T+2:12 St 2 burn 59km
		T+2:27 Fairing 76km
	1814?	T+8:03 St 2 MECO 150 km	150 x 1003? x 83
		T+1:02:19 St 2 MES2
		T+1:02:30 St 2 MECO2
	1908?	T+1:02:50 St 2 sep
1984 Feb 18			105.0 977x1015x82.9

Kosmos 258

 1968-111A

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Zenit-2 No. 69 was launched from Baikonur to the original 65.0 deg slot. Landing was 70 km NW of Tselinograd at 51 45 N 71 02 E.

Kosmos-258
Date	Time	Event	Orbit
1968 Dec 10	0825	Launch by 11A57	NIIP-5 LC31
	0830	Blok-I burn
	0834	Blok-I sep
			89.6 210 x 325 x 65 (TASS)
1968 Dec 10	0817		89.60 204 x 305 x 64.9
1968 Dec 15	2237		89.50 203 x 296 x 64.9
1968 Dec 18	0549?	Retrofire
	0614	Landed

People: August 1,1988

 https://welib.org/md5/c5df8467031ddc962cfcd6dc0fbec344

Spaceflight: May 1988

 https://welib.org/md5/20092954bcd30786879cbac4af6ad61a

Kosmos 393

 1971-007A

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Kosmos-393 was a subgroup 1 DS-P1-Yu satellite, launched in Jan 1971.

Kosmos-393
Date	Time	Event	Orbit
1971 Jan 26	1245	Launch by 11K63	PL
	1247	Stage 2 burn
	1252?	Stage 2 sep
1971 Jan 28	0930		92.13 272 x 485 x 71.03 (RAE)
1971 Apr 1	0000		91.29 257 x 418 x 71.03 (RAE)
1971 Jun 12		End of operations
1971 Jun 16	0921?	Reentered

Kosmos 1725

 1986-005A

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Kosmos-1725
Date	Time	Event	Orbit
1986 Jan 16	1138:19	Launch by 11K65M	Plesetsk
		T+2:10 St 1 MECO
		T+2:12 St 1 sep
		T+2:12 St 2 burn 59km
		T+2:27 Fairing sep 76km
	1146?	T+8:03 St 2 MECO 150 km	150 x 1003? x 83
		T+1:02:19 St 2 MES2
		T+1:02:30 St 2 MECO2
	1241?	T+1:02:50 St 2 sep
1986 Jan 16			973x1002x82.9

Spaceflight: March 1988

 https://welib.org/md5/a714170f54e80856ae566fe9ebde8402