Kosmos 1811

 1987-002A

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The day after launch Kosmos-1811 maneuvered to an unusual 200 x 292 km orbit and remained there for 10 days. On Jan 20 it entered a more normal Kobal't orbit but maneuvered more often than usual for the remainder of the mission.

Kosmos-1811
Date	Time	Event	Orbit
1987 Jan 9	1238	Launch by Soyuz	KB
	1248	Blok-I sep
1987 Jan 9			171x320x64.9
1987 Jan 9			89.66 172 x 342 x 64.9
1987 Jan 10			89.66 171 x 343 x 64.9
1987 Jan 16			89.43 200 x 292 x 64.9
1987 Jan 20			89.24 197 x 276 x 64.9
1987 Jan 20		SpK-1 fiducial
	1702?	Deorbit
	1712?	Entry
	1724?	Landed
1987 Jan 21			89.69 185 x 332 x 64.9
1987 Jan 26			89.55 182 x 322 x 64.9
1987 Jan 27			89.01 181 x 269 x 64.9
1987 Jan 28			88.95 180 x 264 x 64.9
1987 Jan 30		Orbit raise	89.59 186 x 321 x 64.9
1987 Feb 3			89.45 185 x 309 x 64.9
1987 Feb 4		SpK-2 fiducial
	0540?	Deorbit
	0550?	Entry
	0602?	Landed
1987 Feb 5		Orbit raise	89.85 190 x 343 x 64.85
1987 Feb 8			89.78 189 x 337 x 64.9
1987 Feb 9
1987 Feb 12			89.23 178 x 293 x 64.9
1987 Feb 14
	0915?	Deorbit
	0930?	Entry
	0942?	Landed