Kosmos 1870

 1987-064A

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Almaz earth observation platform, 4.1 dia x 7 l. 2.5 kW solar power, 4 tonne payload. Kosmos-1870 was Mech-K No. 304 and was the Soviet Union's first radar imager.

Kosmos-1870
Date	Time	Event	Orbit
1987 Jul 25	0900:00	Launch by Proton	KB
		Stage 1 sep (T+2:06)
		Stage 2 sep (T+5:34)
		Stage 3 MECO (T+9:30)
	0909:44	Stage 3 sep (T+9:44)
1987 Jul 25.5			88.40 160x231x71.94
1987 Jul 25.7			88.65 159x256x71.9
1987 Jul 28.5			89.36 237x249x71.9 from 88.54 157x247
1987 Jul 29.3			89.55 245x260x71.9
1987 Aug 10			89.58 252x256x71.9 from 89.48 241x256
1987 Aug 22			89.55 247x258x71.9 from 89.50 247x252
1987 Sep 3			89.58 242x265x71.9 from 89.45 242x253
1987 Sep 15			89.56 244x262x71.9 from 89.49 238x261
1987 Sep 26			89.57 241x265x71.9 from 89.47 240x257
1987 Nov 1			89.58 239x269x71.9 from 89.42 238x253
1987 Nov 13			89.58 245x262x71.9 from 89.45 232x263
1987 Nov 26			89.58 246x262x71.9 from 89.45 240x256
1987 Dec 8			89.57 251x256x71.9
1987 Dec 18			89.55 245x259x71.9 from 89.48 246x251
1987 Dec 30			89.58 242x266x71.9 from 89.46 242x254
1988 Jan 11			89.59 247x261x71.9 from 89.47 237x260
1988 Jan 23			89.58 239x269x71.9 from 89.46 242x254
1988 Feb 4			89.55 244x260x71.9 from 89.47 237x260
1988 Feb 14			89.44 235x250x71.9
1988 Feb 16			89.60 245x264x71.9 from 89.42 238x254
1988 Feb 28			89.57 249x258x71.9 from 240x258
1988 Mar 10			243x265x71.9 from 243x257
1988 Mar 22			249x260x71.9 from 238x260
1988 Apr 4			89.59 241x268x71.9
1988 Apr 15			89.59 246x263x71.9 from 234x260
1988 Apr 27			254x255x71.9 from 240x255
1988 May 9			89.58 245x263x71.9 from 247x249
1988 May 21			89.59 253x255x71.9 from 89.45 239x256
1988 Jun 2			89.56 246x261x71.9 from 89.45 246x249
1988 Jun 14			89.59 246x263x71.9 from ?
1988 Jun 25			89.66 253x262x71.9 from 89.46 238x257
1988 Jul 6			89.60 244x265x71.9 from 89.43 240x253
1988 Jul 19			89.58 249x259x71.9 from 89.47 237x259
1988 Jul 31			89.58 244x264x71.9 from 89.45 242x253
1988 Aug 12			89.60 250x260x71.9 from 89.44 237x256
1988 Aug 24			89.60 244x266x71.9 from 89.45 242x253
1988 Sep 5			89.60 252x258x71.9 from 89.41 234x259
1988 Sep 17			89.90 262x277x71.9 from 89.43 245x248
1988 Oct 11			89.96 264x281x71.9 from ?
1988 Nov 3			89.90 263x277x71.9 from 89.61 248x262 via 89.73 259x264
1988 Nov 27			89.94 264x279x71.9 from 89.53 245x258
1988 Dec 21			89.91 263x277x71.9 from 89.60 249x261
1989 Jan 13			89.96 265x280x71.9 from 89.50 244x255
1989 Feb 6			89.98 267x280x71.9 from 89.53 246x257
1989 Mar 3			89.93 266x280x71.9 from 89.51 244x252
1989 Mar 27			90.00 267x282x71.9 from 89.48 243x255
1989 Apr 20			89.98 266x281x71.9 from 89.52 244x258
1989 May 13			89.91 264x276x71.9 from 89.56 246x260
1989 Jun 7			89.94 265x278x71.9 from 89.48 242x256
1989 Jul 1			89.99 266x281x71.9 from 89.49 241x257
1989 Jul 24			89.58 242x264x71.9 from 89.67 251x265