Encyclopedia Astronautica
1981.04.25 - Cosmos 1267


TKS space station ferry. Flown unmanned to the Salyut 6 space station after the Almaz military station program was cancelled. Capsule recovered 24 May 1981. Docked with Salyut 6 on June 19 at 10:52 AM MT after 57 days autonomous flight. Deorbited and destroyed with Salyut July 29, 1982.

Maneuver Summary:
192 km X 258 km orbit to 191 km X 269 km orbit. Delta V: 3 m/s
188 km X 261 km orbit to 254 km X 273 km orbit. Delta V: 22 m/s
248 km X 271 km orbit to 251 km X 270 km orbit. Delta V: 1 m/s
248 km X 269 km orbit to 254 km X 268 km orbit. Delta V: 1 m/s
250 km X 266 km orbit to 257 km X 278 km orbit. Delta V: 5 m/s
257 km X 278 km orbit to 259 km X 274 km orbit. Delta V: 1 m/s
251 km X 266 km orbit to 252 km X 294 km orbit. Delta V: 8 m/s
252 km X 294 km orbit to 267 km X 278 km orbit. Delta V: 8 m/s
259 km X 269 km orbit to 264 km X 286 km orbit. Delta V: 5 m/s
Capsule jettisoned 24 May 1981. Maneuvers without capsule:
254 km X 274 km orbit to 306 km X 317 km orbit. Delta V: 27 m/s
299 km X 311 km orbit to 304 km X 315 km orbit. Delta V: 2 m/s
298 km X 309 km orbit to 340 km X 348 km orbit. Delta V: 23 m/s
340 km X 348 km orbit to 340 km X 359 km orbit. Delta V: 3 m/s
341 km X 358 km orbit to 342 km X 361 km orbit. Delta V: 1 m/s
Docked with Salyut 6 19 June 1981. Maneuvers with Salyut 6:
332 km X 359 km orbit to 336 km X 368 km orbit. Delta V: 3 m/s
335 km X 368 km orbit to 338 km X 388 km orbit. Delta V: 5 m/s
334 km X 380 km orbit to 346 km X 381 km orbit. Delta V: 3 m/s
346 km X 381 km orbit to 376 km X 404 km orbit. Delta V: 14 m/s
356 km X 376 km orbit to 355 km X 398 km orbit. Delta V: 6 m/s
355 km X 397 km orbit to 393 km X 413 km orbit. Delta V: 14 m/s
393 km X 413 km orbit to 396 km X 411 km orbit. Delta V: 1 m/s
222 km X 321 km orbit to 90 km X 222 km orbit. Delta V: 67 m/s
Total Delta V: 164/231 m/s

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