Encyclopedia Astronautica
1977.09.29 - Salyut 6


Conduct of scientific and technical research and experiments; further testing of station design, on-board system and equipment. Soyuz 25 docking unsuccessful. EVA 20 Dec 1977 to examine forward docking port (no damage). EVA 29 July 1978 to retrieve externally mounted experiments (micrometeorites, biopolymers, radiation plates, materials tests). Soyuz 33 failure to dock due to propulsion failure April 1979. Soyuz 34 launched unmanned to provide replacement vehicle June 1979. EVA August 15 to dislodge 10 m diameter KRT-10 radio telescope from aft docking collar. Repair mission Soyuz T-3 December 1980 (temperature control hydraulics). Repair mission Soyuz T-4 March 1981 (stuck solar array). Salyut ejected a module on May 31 (perhaps retained Soyuz Orbital Module). Kosmos 1267 docks 19 June 1981. Commanded to reentry using Kosmos 1267 propulsion system over Pacific July 29 1982.

Maneuver Summary:
214 km X 253 km orbit to 214 km X 260 km orbit. Delta V: 2 m/s
211 km X 258 km orbit to 229 km X 351 km orbit. Delta V: 31 m/s
229 km X 348 km orbit to 340 km X 349 km orbit. Delta V: 32 m/s
332 km X 339 km orbit to 340 km X 354 km orbit. Delta V: 6 m/s
325 km X 340 km orbit to 335 km X 356 km orbit. Delta V: 6 m/s
333 km X 352 km orbit to 337 km X 351 km orbit. Delta V: 1 m/s
309 km X 323 km orbit to 321 km X 362 km orbit. Delta V: 14 m/s
313 km X 356 km orbit to 340 km X 357 km orbit. Delta V: 7 m/s
326 km X 330 km orbit to 327 km X 357 km orbit. Delta V: 7 m/s
By Progress 3: 326 km X 353 km orbit to 339 km X 352 km orbit. Delta V: 3 m/s
336 km X 350 km orbit to 338 km X 356 km orbit. Delta V: 1 m/s
By Progress 4: 322 km X 340 km orbit to 324 km X 348 km orbit. Delta V: 2 m/s
By Progress 4: 321 km X 341 km orbit to 329 km X 366 km orbit. Delta V: 9 m/s
By Progress 4: 329 km X 366 km orbit to 359 km X 362 km orbit. Delta V: 9 m/s
Total Delta V By Progress 4: 20 m/s
299 km X 318 km orbit to 302 km X 313 km orbit. Delta V: 1 m/s
295 km X 305 km orbit to 306 km X 334 km orbit. Delta V: 11 m/s
By Progress 5: 277 km X 306 km orbit to 278 km X 340 km orbit. Delta V: 9 m/s
By Progress 5: 277 km X 335 km orbit to 334 km X 348 km orbit. Delta V: 19 m/s
Total Delta V By Progress 5: 28 m/s
333 km X 346 km orbit to 340 km X 359 km orbit. Delta V: 5 m/s
By Progress 6: 322 km X 337 km orbit to 333 km X 340 km orbit. Delta V: 3 m/s
By Progress 6: 328 km X 337 km orbit to 328 km X 353 km orbit. Delta V: 4 m/s
Total Delta V By Progress 6: 7 m/s
327 km X 353 km orbit to 351 km X 363 km orbit. Delta V: 8 m/s
353 km X 361 km orbit to 354 km X 365 km orbit. Delta V: 1 m/s
By Progress 7: 352 km X 360 km orbit to 395 km X 406 km orbit. Delta V: 25 m/s
By Progress 8: 338 km X 342 km orbit to 342 km X 350 km orbit. Delta V: 3 m/s
By Progress 8: 342 km X 350 km orbit to 342 km X 355 km orbit. Delta V: 1 m/s
By Progress 8: 330 km X 341 km orbit to 334 km X 365 km orbit. Delta V: 7 m/s
Total Delta V By Progress 8: 11 m/s
By Progress 9: 326 km X 355 km orbit to 339 km X 353 km orbit. Delta V: 3 m/s
326 km X 355 km orbit to 339 km X 363 km orbit. Delta V: 5 m/s
334 km X 355 km orbit to 338 km X 353 km orbit. Delta V: 1 m/s
By Progress 10: 319 km X 334 km orbit to 327 km X 342 km orbit. Delta V: 4 m/s
326 km X 339 km orbit to 338 km X 352 km orbit. Delta V: 6 m/s
323 km X 338 km orbit to 337 km X 350 km orbit. Delta V: 7 m/s
333 km X 345 km orbit to 335 km X 352 km orbit. Delta V: 2 m/s
335 km X 352 km orbit to 339 km X 352 km orbit. Delta V: 1 m/s
337 km X 349 km orbit to 332 km X 344 km orbit. Delta V: 2 m/s
By Progress 11: 286 km X 295 km orbit to 297 km X 311 km orbit. Delta V: 7 m/s
By Progress 11: 278 km X 287 km orbit to 287 km X 353 km orbit. Delta V: 21 m/s
Total Delta V By Progress 11: 28 m/s
283 km X 351 km orbit to 284 km X 357 km orbit. Delta V: 1 m/s
284 km X 356 km orbit to 316 km X 355 km orbit. Delta V: 9 m/s
By Progress 12: 293 km X 319 km orbit to 291 km X 355 km orbit. Delta V: 10 m/s
By Progress 12: 293 km X 352 km orbit to 348 km X 360 km orbit. Delta V: 17 m/s
By Progress 12: 339 km X 348 km orbit to 343 km X 356 km orbit. Delta V: 3 m/s
By Progress 12: 337 km X 348 km orbit to 339 km X 353 km orbit. Delta V: 1 m/s
Total Delta V By Progress 12: 31 m/s
334 km X 348 km orbit to 342 km X 355 km orbit. Delta V: 4 m/s
341 km X 353 km orbit to 350 km X 361 km orbit. Delta V: 4 m/s
330 km X 336 km orbit to 334 km X 353 km orbit. Delta V: 5 m/s
330 km X 343 km orbit to 339 km X 374 km orbit. Delta V: 10 m/s
223 km X 321 km orbit to 318 km X 324 km orbit. Delta V: 27 m/s
By Kosmos 1267: 332 km X 359 km orbit to 336 km X 368 km orbit. Delta V: 3 m/s
By Kosmos 1267: 335 km X 368 km orbit to 338 km X 388 km orbit. Delta V: 5 m/s
By Kosmos 1267: 334 km X 380 km orbit to 346 km X 381 km orbit. Delta V: 3 m/s
By Kosmos 1267: 346 km X 381 km orbit to 376 km X 404 km orbit. Delta V: 14 m/s
By Kosmos 1267: 356 km X 376 km orbit to 355 km X 398 km orbit. Delta V: 6 m/s
By Kosmos 1267: 355 km X 397 km orbit to 393 km X 413 km orbit. Delta V: 14 m/s
By Kosmos 1267: 393 km X 413 km orbit to 396 km X 411 km orbit. Delta V: 1 m/s
By Kosmos 1267: 222 km X 321 km orbit to 90 km X 222 km orbit. Delta V: 67 m/s
Total Delta V By Kosmos 1267: 426/493 m/s.

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