Gambit-3 51

 1981-019A

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KH-8 number 51 (GAMBIT mission 4351) was launched on 1981 Feb 28 by Titan 24B Agena D from Vandenberg. It maintained an orbit of around 135 x 260 km x 96.3 deg until it was deorbited after 112 days after a 110-day photo mission.

KH-8 Mission 1751?
Date	Time	Event	Orbit
1981 Feb 28	1910?	Launch by Titan 24B Agena D	V SLC4W
	1912?	Titan stage 1 sep
	1915?	Titan stage 2 sep
	1915?	Agena burn
	1920?	MECO
1981 Mar 1			172 x 334 x 96.4
	1830?	Lower perigee
			136 x 335 x 96.4
1981 Mar 2			135x333 x 96.3
1981 Mar 6			127x267 x 96.3
1981 Mar 15			133x264 x 96.3
1981 Mar 31			130x268 x 96.3
1981 Apr 5			131x257 x 96.3
1981 Apr 20			134x264 x 96.3
1981 Apr 29	2142?	SRV-1 deorbit opp
	2149?	Entry
	2215?	SRV-1 recovered?
1981 Apr 30			130x266 x 96.3
1981 May 15			136x258 x 96.3
1981 May 31			136x249 x 96.3
1981 Jun 10			135x257 x 96.3
1981 Jun 17	1956	Orbit tweak	137 x 260 x 96.26
1981 Jun 18		SRV-2 deorbit after 110 d
1981 Jun 20	1930	deorbited

People: July 1,1985

 https://welib.org/md5/bbfa8b0b9e4a53622246d30177f4933c

Imaging Saturn : the Voyager flights to Saturn

 https://welib.org/md5/b00344cd1cb2e9605afd19ec6a4fd125

Kosmos 806

 1976-020A

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Kosmos-806
Date	Time	Event	Orbit
1976 Mar 10	0800	Launch by Soyuz-U	Baikonur
	0804	Blok-I burn
	0808	Blok-I sep
1976 Mar 10			89.64 177 x 334 x 71.4
1976 Mar 20			89.47 177 x 318 x 71.4
1976 Mar 21			89.79 176 x 351 x 71.4
1976 Mar 22			89.78 177 x 349 x 71.4
1976 Mar 23
	0458?	Deorbit
	0508?	PO sep
	0512?	Entry
	0528?	Landed

Journal of the British Interplanetary Society: January 1985

 https://welib.org/md5/f4ac2ac87a4c0678ac8ced010ac1022b

Mrs. Kamali would like to speak to you about Cloud : notes from a California classroom

 https://welib.org/md5/fc8ccbef5db3ae18b92679332ec44866

Planetary encounters

https://welib.org/md5/4095c43cd4b3b48401607f33fa0779af

On Wings of Fire

https://welib.org/md5/2f053ac196665882c5251c0ae29acbc7

Aviation Week: April 15,1985

 https://welib.org/md5/b0c44f0a42cb2de751ebf03aa88edbbe

Kosmos 1247

 1981-016A

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Kosmos-1247
Date	Time	Event	Orbit
1981 Feb 19	1000	Launch by 8K78M	Plesetsk
		BVGD sep
		GO sep
		T+4:46 Blok A sep
		T+4:56 KhO sep
		T+8:46 Blok-I MECO
	1008	T+8:50 Blok-I sep
		T+1:00? BOZ burn
	1100?	T+1:00? BOZ sep
		2BL burn
		2BL MECO
	1103?	T+1:03 2BL sep
1981 Feb 19			707.3 608x39232x62.9