Kosmos 1500

 1983-099A

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Okean-OE No. 1 (Kosmos-1500) was launched on 1983 Sep 28. The third in the Okean series was the first of the NKhM series (Narodno-Khozyaistvennyi Morskoy, National Economy Maritime Satellite), NKhM No. 1.

Kosmos-1500
Date	Time	Event	Orbit
1983 Sep 28	0759	Launch by Tsiklon-3	PL LC32/1
		T+2:00 St 1 sep
		T+3:33 GO sep
		T+4:38 St 2 sep
		T+5:20 S5M burn 1
	0805	T+6:48 S5M MECO1
		T+39:20 BOZ burn
	0839	T+40:58 S5M burn 2
	0840	T+41:08 S5M MECO2
		T+41:38 S5M sep
1983 Sep 28			97.8 635x667x82.5
1986 Jul 16		end of ops

Payload:

• IR radiometers

• Microwave radiometers

• Side-looking radar

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Kosmos 1426

 1982-120A

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Digital advanced recon satellite, deorbited over Pacific at the end of its mission. The launch went directly to its operational 200 km perigee orbit, unlike later flights which used a perigee raise burn a day or more after insertion.

Kosmos-1426
Date	Time	Event	Orbit
1982 Dec 28	1200	Launch by Soyuz	Baikonur
	1209	Blok-I sep
1982 Dec 28			90.30 200x384x50.6 ?
1982 Dec 28			90.03 202x356x50.5
1983 Jan 3			90.01 295x351x50.5 from 89.80 198x337
1983 Jan 9			89.91 206x340x50.5 from 89.79 200x333
1983 Jan 15			89.94 208x341x50.5 from 89.69 202x321
1983 Jan 21			89.86 210x330x50.5 from 89.75 203x325
1983 Jan 27			89.91 208x337x50.5 from 89.61 206x310
1983 Feb 3			89.90 201x344x50.5 from 89.66 201x344
1983 Feb 10			89.94 197x348x50.5 from 89.62 196x320
1983 Feb 20			89.89 206x337x50.5 from 89.54 189x319
1983 Feb 27			89.78 201x331x50.5 from 89.56 201x310
1983 Mar 1			90.66 207x412x50.5 from 89.73 201x327
1983 Mar 2			90.57 207x404x50.5
1983 Mar 4	0751?	deorbit burn

Progress 36

 1988-038A

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Progress 11F615A15 No. 144 (7K-TG No. 144) was launched on 1988 May 13 as Progress-36. It carried 2337 kg of cargo including 200 kg of Bulgarian scientific experiments.

Progress-36
Date	Time	Event	Orbit
1988 May 13	0030:25	Launch by Soyuz-U	KB
			88.81 186 x 246 x 51.6
	0700		90.10 224 x 335 x 51.6
1988 May 14	0230		90.30 245 x 333 x 51.6
1988 May 15			91.42 331 x 357 x 51.6
	0213:26	Docked with Mir Kvant/DP2
1988 Jun 5	1111:55	Undocked
	2028	Deorbited
	2118:40	Reentered

Progress 41

 1989-023A

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Progress (7K-TG) No. 149 was launched in Mar 1989 as Progress-41. It delivered 2238 kg of cargo to Mir. After undocking on Apr 20, it was to be deorbited as usual over the Pacific, but for the first time on a Progress mission the deorbit burn was incomplete when fuel ran out, leaving the vehicle in an orbit with a perigee of 127 km.

Progress-41
Date	Time	Event	Orbit
1989 Mar 16	1854:15	Launch by Soyuz-U	KB
	1930		88.80 188 x 243 x 51.6
1989 Mar 17	0000		90.23 205 x 367 x 51.6
	2130		91.01 276 x 373 x 51.6
1989 Mar 18	2050:46	Docked at Kvant DP2
1989 Mar 24			92.00 360 x 385 x 51.6
1989 Apr 20			92.43 372 x 416 x 51.6
1989 Apr 21	0146:15	Undocked	92.43 372 x 415 x 51.6
	0612?	Deorbit burn 1	90.83 213 x 417 x 51.6
	1115?	Deorbit burn 2
	1200		89.64 124 x 390 x 51.6
1989 Apr 22			89.54 127 x 377 x 51.6
1989 Apr 23			89.22 124 x 347 x 51.6
1989 Apr 24			88.74 119 x 305 x 51.6
	1200		88.43 116 x 277 x 51.6
	2130		88.15 113 x 254 x 51.6
1989 Apr 25	0700		87.56 105 x 203 x 51.6
	1200		86.95 94 x 153 x 51.6
	1225	Reentered over Pacific

Kosmos 2085

 1990-061A

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Kosmos-2085 was the sixth Geizer military communications satellite.

Kosmos-2085
Date	Time	Event	Orbit
1990 Jul 18	2146:00	Launch by Proton	KB
	2155	Stage 3 sep	88.41 193x198x51.6
	2310?	DM burn 1	315 x 35873 x 47.3
1990 Jul 19	0421?	DM burn 2
	0425?	DM sep
1990 Jul 19			1441.17 35802 x 35969 x 1.5 GEO 89.3E+1.2W
1990 Aug 3			1436.04 35774 x 35796 x 1.5 GEO 79.5E
1990 Aug 11			1436.03 35770 x 35799 x 1.4 GEO 79.7E
1991 Jun 5			1436.15 35768 x 35807 x 0.7 GEO 79.9E
1993 Jan 20			1436.06 35780 x 35791 x 0.7 GEO 80.0E