Zarya - Soviet, Russian and International Spaceflight
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Annual Diaries


Scarborough, UK
2014 Jul 31
Thursday, Day 212

Maintained by:






Events of 1971

Date Time (UTC) Event
1971 Jan 8 Lunokhod 1 'lid' is opened and its batteries begin to charge prior to it third lunar day on the Moon
1971 Jan 12 09:30 Cosmos 390 (Zenit-4M, Rotor) launched into 202 x 277 kilometre, 89.3 minutes period, 65 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Jan 17 Lunokhod 1 has returned to Luna 17 and photographs the spacecraft lander on the lunar surface
1971 Jan 20 Lunokhod 1 is parked for its third lunar night, having travelled a further 1,936 metres and continued its programme of photography and soil measurements - it protective 'lid' is closed
1971 Jan 21 08:40 Cosmos 392 (Zenit-2M 11Ф690, Gektor) launched into 206 x 277 kilometre, 89.3 minutes period, 65 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Photo-reconnaissance satellite.
1971 Jan 25 05:31 Cosmos 390 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Feb 2 04:34 Cosmos 392 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Feb 8 Lunokhod 1 'lid' is opened and its batteries begin to charge prior to it fourth lunar day on the Moon
1971 Feb 18 13:59 Cosmos 396 (Zenit-4M, Rotor) launched into 206 x 285 kilometre, 89.4 minutes period, 65.4 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Feb 19 Lunokhod 1 is parked for its fourth lunar night, having travelled a further 1,573 metres and continued its programme of photography and soil measurements and its protective 'lid' is closed - it has reached the end of its originally-planned life
1971 Mar 3 06:57 Cosmos 396 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Mar 3 09:30 Cosmos 399 (Zenit-4M, Rotor) launched into 200 x 283 kilometre, 89.3 minutes period, 65 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Mar 5 Zenit-2M 11Ф690, Gektor launched from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Photo-reconnaissance satellite - failed to reach orbit.
1971 Mar 9 Lunokhod 1 'lid' is opened and its batteries begin to charge prior to it fifth lunar day on the Moon
1971 Mar 17 05:46 Cosmos 399 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Mar 20 Lunokhod 1 is parked for its fifth lunar night, having travelled a further 2,004 metres and continued its programme of photography and soil measurements - it protective 'lid' is closed
1971 Mar 27 10:59 Cosmos 401 (Zenit-4M, Rotor) launched into 202 x 299 kilometre, 89.6 minutes period, 72.8 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Apr 2 08:20 Cosmos 403 (Zenit-2M 11Ф690, Gektor) launched into 212 x 229 kilometre, 89 minutes period, 81.3 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Photo-reconnaissance satellite.
1971 Apr 8 Lunokhod 1 'lid' is opened and its batteries begin to charge prior to it sixth lunar day on the Moon
1971 Apr 9 06:29 Cosmos 401 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Apr 14 04:48 Cosmos 403 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Apr 14 08:00 Cosmos 406 (Zenit-4M, Rotor) launched into 216 x 244 kilometre, 89.2 minutes period, 81.3 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Apr 19 01:39 Salyut 1 launched from the Baikonur Cosmodrome by Proton rocket into 177 x 211 kilometre orbit at 51.6 degrees inclination
1971 Apr 19 02:34 After manoeuvres using its onboard rocket engine, Salyut 1 reaches 200 x 210 kilometre orbit to await arrival of Soyuz 10
1971 Apr 20 Lunokhod 1 is parked for its sixth lunar night, having travelled a further 1,029 metres and continued its programme of photography and soil measurements - it protective 'lid' is closed
1971 Apr 22 23:54 Soyuz 10 launched from the Baikonur Cosmodrome by Soyuz rocket into approx 200 kilometre, circular orbit with Vladimir Shatalov, Alexei Yeliseyev and Nikolai Rukavishnikov aboard, callsign - Granit
1971 Apr 23 After manoeuvres using its onboard rocket engine, Soyuz 10 is in a transfer orbit of 209 x 258 kilometres, approaching Salyut 1
1971 Apr 24 01:47 Soyuz 10 docks with Salyut 1
1971 Apr 24 04:18 Soyuz 10 reportedly undocks from Salyut 1
1971 Apr 24 04:48 Cosmos 406 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Apr 24 05:47 Soyuz 10 reportedly docks with Salyut 1 for a second time
1971 Apr 24 07:17 Soyuz 10 undocks from Salyut 1: the crew have been unable to enter the station - Soyuz 10 flies alongside Salyut 1 for the remainder of the day - orbit 191 x 231 kilometres
1971 Apr 24 22:59 Soyuz 10 fires its manoeuvring engine to initiate re-entry
1971 Apr 24 23:40 Soyuz 10 lands - 120 kilometres north-west of Karaganda
1971 Apr 28 Salyut 1 orbit is 252 x 271 kilometres - the space station is 'parked', awaiting the Soyuz 11 mission
1971 May 6 06:20 Cosmos 410 (Zenit-2M 11Ф690, Gektor) launched into 204 x 279 kilometre, 89.3 minutes period, 65 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Photo-reconnaissance satellite. Carried Nauka autonomous module.
1971 May 7 Lunokhod 1 'lid' is opened and its batteries begin to charge prior to it seventh lunar day on the Moon
1971 May 18 04:05 Cosmos 410 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 May 18 08:00 Cosmos 420 (Zenit-4M, Rotor) launched into 200 x 257 kilometre, 89 minutes period, 51.8 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 May 20 Lunokhod 1 is parked for its seventh lunar night, having travelled a further 197 metres and continued its programme of photography and soil measurements - it protective 'lid' is closed
1971 May 28 10:30 Cosmos 424 (Zenit-4M, Rotor) launched into 198 x 286 kilometre, 89.4 minutes period, 65.4 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 May 29 06:29 Cosmos 420 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 May 31 Atmospheric drag has reduced Salyut 1 orbit to 198 x 204 kilometres
1971 Jun 5 Lunokhod 1 'lid' is opened and its batteries begin to charge prior to it eighth lunar day on the Moon - it workload has been 'lightened' owing to the age of its systems
1971 Jun 5 Orbital manoeuvres have raised Salyut 1 orbit to 209 x 240 kilometres in preparation for the arrival of Soyuz 11
1971 Jun 6 A minor manoeuvre by Salyut 1 results in an orbit of 210 x 235 kilometres to set-up the Soyuz 11 rendezvous
1971 Jun 6 04:55 Soyuz 11 launched from the Baikonur Cosmodrome by Soyuz rocket into 160 x 238 kilometre orbit with Georgi Dobrovolski, Vladislav Volkov and Viktor Patsayev aboard, callsign - Yantar
1971 Jun 7 07:49 Soyuz 11 docks with Salyut 1
1971 Jun 7 07:55 Soyuz 11 and Salyut 1 are firmly latched together - orbit is 207 x 231 kilometres
1971 Jun 9 Salyut 1/Soyuz 11 orbit is raised to 251 x 274 kilometres
1971 Jun 10 03:36 Cosmos 424 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Jun 11 10:00 Cosmos 427 (Zenit-4MK, Germes) launched into 203 x 313 kilometre, 89.7 minutes period, 72.8 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Variant of the manoeuvrable Zenit-4M but with high resolution cameras.
1971 Jun 18 Lunokhod 1 is parked for its eighth lunar night, having travelled a further 1,559 metres and continued its programme of photography and soil measurements - it protective 'lid' is closed
1971 Jun 23 04:48 Cosmos 427 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Jun 24 07:59 Cosmos 428 (Zenit-2M 11Ф690, Gektor) launched into 206 x 257 kilometre, 89.1 minutes period, 51.8 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Photo-reconnaissance satellite. Carried Nauka autonomous module that made electron and gamma ray measurements.
1971 Jun 25 Zenit-4M, Rotor launched from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine - failed to reach orbit.
1971 Jun 29 18:28 Soyuz 11 undocks from Salyut 1 - atmospheric drag has brought the orbit down to 229 x 237 kilometres
1971 Jun 29 22:35 Soyuz 11 fires its manoeuvring engine to initiate re-entry
1971 Jun 29 22:47 Soyuz 11 descent module separates from the instrument unit and the orbital module - a pressure equalisation valve in the centre of the hatch which allowed access to the orbital module opens and, in less than one minute, the cabin atmosphere escapes
1971 Jun 29 23:16 Soyuz 11 lands - 200 kilometres south-west of Kustanai - the crew is found dead when the spacecraft hatch is opened
1971 Jul 1 Following a series of manoeuvring engine firings over a two-day period, Salyut 1 orbit is 237 x 281 kilometres
1971 Jul 1 Following the Soyuz 11 accident, the next mission to Salyut 1 is cancelled - it would have seen cosmonauts Alexei Leonov, Nikolai Rukashnikov and Pyotr Kolodin aboard the space station during August
1971 Jul 4 Lunokhod 1 'lid' is opened and its batteries begin to charge prior to it ninth lunar day on the Moon
1971 Jul 6 06:29 Cosmos 428 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Jul 17 Lunokhod 1 is parked for its ninth lunar night, having travelled a further 220 metres and continued its programme of photography and soil measurements - it protective 'lid' is closed
1971 Jul 20 10:00 Cosmos 429 (Zenit-4M, Rotor) launched into 205 x 249 kilometre, 89 minutes period, 51.8 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Jul 23 11:00 Cosmos 430 (Zenit-4M, Rotor) launched into 198 x 304 kilometre, 89.5 minutes period, 65.4 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Jul 27 Atmospheric drag has brought Salyut 1 orbit down to 206 x 235 kilometres
1971 Jul 28 Following a series of manoeuvring engine firings, Salyut 1 orbit is 222 x 294 kilometres
1971 Jul 30 08:29 Cosmos 431 (Zenit-2M 11Ф690, Gektor) launched into 190 x 265 kilometre, 89 minutes period, 51.8 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Photo-reconnaissance satellite.
1971 Jul 31 10:43 Orbit of Cosmos 429 reported as 185 x 261 kilometres, 51.8 deg inclination with 89 minutes period.
1971 Aug 1 22:16 Orbit of Cosmos 429 reported as 183 x 259 kilometres, 51.8 deg inclination with 88.9 minutes period.
1971 Aug 2 07:12 Cosmos 429 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Aug 3 Lunokhod 1 'lid' is opened and its batteries begin to charge prior to it tenth lunar day on the Moon
1971 Aug 5 04:48 Cosmos 430 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Aug 5 10:00 Cosmos 432 (Zenit-4M, Rotor) launched into 194 x 259 kilometre, 89 minutes period, 51.7 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Aug 11 06:29 Cosmos 431 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Aug 12 03:20 Orbit of Cosmos 432 reported as 187 x 254 kilometres, 51.8 deg inclination with 89 minutes period.
1971 Aug 14 02:44 Orbit of Cosmos 432 reported as 187 x 263 kilometres, 51.8 deg inclination with 88.8 minutes period.
1971 Aug 16 Lunokhod 1 is parked for its tenth lunar night, having travelled a further 215 metres and continued its programme of photography and soil measurements - it protective 'lid' is closed
1971 Aug 17 Atmospheric drag has brought Salyut 1 orbit down to 201 x 251 kilometres
1971 Aug 18 07:55 Cosmos 432 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Aug 19 Following a series of manoeuvring engine firings, Salyut 1 orbit is 285 x 314 kilometres
1971 Aug 19 Zenit-4M, Rotor launched from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Aug 31 Lunokhod 1 'lid' is opened and its batteries begin to charge prior to it eleventh lunar day on the Moon
1971 Sep 2 13:40 Luna 18 (E-8-5-407) launched from the Baikonur cosmodrome by four-stage Proton rocket into 193 x 227 kilometre orbit around the Earth at 51.6 degrees inclination - its mission is to enter orbit around the Moon, then land and return a soil sample to Earth
1971 Sep 2 14:50 Final stage of Luna 18 launching rocket fired to place it into a trajectory towards the Moon
1971 Sep 3 02:00 Visual observations from the Shamakhin Observatory in Azerbaijan are used to measure Luna 18 trajectory at a distance of 100,000 kilometres
1971 Sep 4 Luna 18 rocket engine is used to correct its trajectory towards the Moon
1971 Sep 6 Luna 18 rocket engine is used to correct its trajectory towards the Moon
1971 Sep 7 21:00 Luna 18 fires its rocket engine to enter 101 kilometre circular orbit around the Moon at 35 degrees inclination
1971 Sep 11 After firing its onboard rocket engine, Luna 18 orbit around the Moon is now 18 x 100 kilometres at 35 degrees inclination
1971 Sep 11 07:42 After completing 54 orbits of the Moon and holding 85 communications sessions with the Earth, Luna 18 fires its rocket engine and begins its descent towards a landing on the Moon surface
1971 Sep 11 07:48 Luna 18 lands on the Moon at 3.57 degrees north, 56.50 degrees east in the Mare Foecundatis - the ruggedness of the terrain causes it either to land at an awkward angle or to topple over - radio communication is lost
1971 Sep 14 13:00 Cosmos 438 (Zenit-4MK, Germes) launched into 207 x 295 kilometre, 89.5 minutes period, 65.4 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Variant of the manoeuvrable Zenit-4M but with high resolution cameras.
1971 Sep 15 Lunokhod 1 is parked for its eleventh lunar night, having travelled a further 88 metres and continued its programme of photography and soil measurements - it protective 'lid' is closed
1971 Sep 18 18:06 Orbit of Cosmos 438 reported as 204 x 277 kilometres, 65.4 deg inclination with 89.5 minutes period.
1971 Sep 19 11:57 Orbit of Cosmos 438 reported as 184 x 277 kilometres, 65.4 deg inclination with 89.3 minutes period.
1971 Sep 21 04:02 Orbit of Cosmos 438 reported as 175 x 272 kilometres, 65.4 deg inclination with 89.1 minutes period.
1971 Sep 21 11:28 Orbit of Cosmos 438 reported as 173 x 321 kilometres, 65.4 deg inclination with 89 minutes period.
1971 Sep 21 12:00 Cosmos 439 (Zenit-2M 11Ф690, Gektor) launched into 208 x 290 kilometre, 89.5 minutes period, 65.4 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Photo-reconnaissance satellite.
1971 Sep 24 Atmospheric drag has brought Salyut 1 orbit down to 269 x 295 kilometres
1971 Sep 26 Following a manoeuvring engine firing while at the perigee of its orbit, Salyut 1 orbit is lowered to 222 x 264 kilometres in preparation for the end of its mission
1971 Sep 27 06:14 Cosmos 438 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere - recovered after 11 days, one day less than normal
1971 Sep 28 07:40 Cosmos 441 (Zenit-4M, Rotor) launched into 173 x 259 kilometre, 88.8 minutes period, 65 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Sep 28 10:00 Luna 19 (E-8LS-202) launched from the Baikonur cosmodrome by four-stage Proton rocket into 172 x 260 kilometre orbit around the Earth at 51.6 degrees inclination - its mission is to enter orbit around the Moon and study the surface
1971 Sep 28 11:10 Final stage of Luna 19 launching rocket fired to place it into a trajectory towards the Moon
1971 Sep 29 Luna 19 rocket engine is used to correct its trajectory towards the Moon
1971 Sep 29 11:30 Cosmos 442 (Zenit-4M, Rotor) launched into 196 x 302 kilometre, 89.5 minutes period, 72.9 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Oct 1 Luna 19 rocket engine is used to correct its trajectory towards the Moon
1971 Oct 2 Luna 19 enters 140 kilometre circular orbit around the Moon at 40.6 degrees inclination and begins its programme of studying the lunar gravitational field, the magnetic and electrical environment, and photographing the Moon surface
1971 Oct 2 05:46 Cosmos 439 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Oct 4 On the anniversary of the launch of the first Sputnik', Lunokhod 1 is officially declared 'dead', having failed to respond to radio instructions for its revival - it has traveled 10,540 m and transmitted over 20,000 TV pictures and more than 200 TV panoramas, as well as conducting over 500 lunar soil tests
1971 Oct 4 22:29 Orbit of Cosmos 442 reported as 174 x 314 kilometres, 72.8 deg inclination with 89.5 minutes period.
1971 Oct 6 After firing its onboard rocket engine, Luna 19 orbit around the Moon is now 127 x 135 kilometres at 40.6 degrees inclination
1971 Oct 7 04:12 Orbit of Cosmos 442 reported as 178 x 331 kilometres, 72.9 deg inclination with 89.4 minutes period.
1971 Oct 7 12:30 Cosmos 443 (Zenit-2M 11Ф690, Gektor) launched into 201 x 305 kilometre, 89.6 minutes period, 65.4 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Photo-reconnaissance satellite. Carried Nauka autonomous module.
1971 Oct 10 Atmospheric drag has brought Salyut 1 orbit down to 177 x 182 kilometres
1971 Oct 10 05:31 Cosmos 441 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Oct 11 Salyut 1 fires its manoeuvring engine and re-enters the Earth atmosphere above the Pacific Ocean - it is destroyed by frictional heating
1971 Oct 12 05:31 Cosmos 442 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Oct 14 09:00 Cosmos 452 (Zenit-4M, Rotor) launched into 197 x 259 kilometre, 89.1 minutes period, 65 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Oct 18 19:38 Orbit of Cosmos 452 reported as 177 x 277 kilometres, 65 deg inclination with 89.1 minutes period.
1971 Oct 19 04:34 Cosmos 443 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Oct 19 11:59 Orbit of Cosmos 452 reported as 176 x 315 kilometres, 65 deg inclination with 89 minutes period.
1971 Oct 27 05:02 Cosmos 452 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Nov 2 14:25 Cosmos 454 (Zenit-4M, Rotor) launched into 202 x 261 kilometre, 89.1 minutes period, 65.5 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Nov 3 18:24 Orbit of Cosmos 454 reported as 203 x 260 kilometres, 65.4 deg inclination with 89.1 minutes period.
1971 Nov 4 10:46 Orbit of Cosmos 454 reported as 200 x 352 kilometres, 65.4 deg inclination with 89.1 minutes period.
1971 Nov 16 07:12 Cosmos 454 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Nov 19 12:00 Cosmos 456 (Zenit-4M, Rotor) launched into 202 x 305 kilometre, 89.6 minutes period, 72.9 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Nov 25 12:09 Orbit of Cosmos 456 reported as 175 x 282 kilometres, 72.9 deg inclination with 89.6 minutes period.
1971 Nov 26 20:58 Orbit of Cosmos 456 reported as 187 x 356 kilometres, 72.9 deg inclination with 89.1 minutes period.
1971 Nov 28 After firing its onboard rocket engine, Luna 19 orbit around the Moon is now 77 x 385 kilometres at 40.7 degrees inclination
1971 Dec 2 07:12 Cosmos 456 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Dec 3 Zenit-2M 11Ф690, Gektor launched from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Photo-reconnaissance satellite - failed to reach orbit. Carried Nauka autonomous module.
1971 Dec 6 09:50 Cosmos 463 (Zenit-4M, Rotor) launched into 182 x 266 kilometre, 89 minutes period, 65 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Dec 9 13:25 Orbit of Cosmos 463 reported as 181 x 295 kilometres, 65 deg inclination with 89 minutes period.
1971 Dec 10 11:00 Cosmos 464 (Zenit-4M, Rotor) launched into 204 x 379 kilometre, 90.4 minutes period, 72.9 deg inclination orbit from the Plesetsk Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Dec 11 08:53 Cosmos 463 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Dec 13 17:02 Orbit of Cosmos 464 reported as 179 x 310 kilometres, 72.9 deg inclination with 90.4 minutes period.
1971 Dec 16 07:12 Cosmos 464 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Dec 16 09:39 Cosmos 466 (Zenit-4M, Rotor) launched into 204 x 281 kilometre, 89.4 minutes period, 65 deg inclination orbit from the Baikonur Cosmodrome by Voskhod 11A57 rocket. Upgraded Zenit-4 photo-reconnaissance satellite with orbit-adjustment engine.
1971 Dec 20 05:39 Orbit of Cosmos 466 reported as 178 x 275 kilometres, 65 deg inclination with 89.4 minutes period.
1971 Dec 20 13:07 Orbit of Cosmos 466 reported as 182 x 366 kilometres, 65 deg inclination with 89 minutes period.
1971 Dec 23 05:36 Orbit of Cosmos 466 reported as 180 x 363 kilometres, 65 deg inclination with 90 minutes period.
1971 Dec 25 07:04 Orbit of Cosmos 466 reported as 174 x 371 kilometres, 65 deg inclination with 89.9 minutes period.
1971 Dec 27 07:12 Cosmos 466 descent module lands for recovery after being commanded to re-enter the Earth's atmosphere.
1971 Dec 27 14:04 Cosmos 470 (Zenit-4MT, Orion) launched into 197 x 257 kilometre, 89 minutes period, 65.4 deg inclination orbit from the Plesetsk Cosmodrome by Soyuz 11A511M rocket. Photographic imaging satellite for cartography.
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