Kosmos 20

Kosmos 20
Spacecraft properties

Mission type	Optical imaging
COSPAR ID	1963-040A
SATCAT №	673
Mission duration	8 days

Spacecraft type	Zenit-2
Manufacturer	OKB-1
Launch mass	4,720 kilograms (10,410 lb)

Start of mission
Launch date	18 October 1963, 09:29:58 (1963-10-18UTC09:29:58Z) UTC^[1]
Rocket	Vostok-2
Launch site	Baikonur 1/5

End of mission
Disposal	Recovered
Landing date	26 October 1963 (1963-10-27)

Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee	202 kilometres (126 mi)
Apogee	296 kilometres (184 mi)
Inclination	64.8 degrees
Period	89.49 minutes
Epoch	18 October 1963^[2]

Kosmos 20 (Russian: Космос 20 meaning Cosmos 20) or Zenit-2 No.13 was a Soviet optical film-return reconnaissance satellite which was launched in 1963. A Zenit-2 satellite, Kosmos 20 was the thirteenth of eighty-one such spacecraft to be launched^[3] and had a mass of 4,720 kilograms (10,410 lb).^[4]

A Vostok-2 rocket, serial number G15001-01,^[5] was used to launch Kosmos 20. The launch took place at 09:29:58 UTC on 18 October 1963, using Site 1/5 at the Baikonur Cosmodrome.^[1] Following its successful arrival in orbit the spacecraft received its Kosmos designation, along with the International Designator 1963-040A and the Satellite Catalog Number 673.^[2]

Kosmos 20 was operated in a low Earth orbit. On 18 October 1963 it had a perigee of 202 kilometres (126 mi) and an apogee of 296 kilometres (184 mi), with inclination of 64.8 degrees and an orbital period of 89.49 minutes. Having spent eight days in orbit, the spacecraft was deorbited on 26 October 1963. Its return capsule descended under parachute and was recovered by Soviet forces.^[2]^[4]

References

1 2 McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 15 December 2013.
1 2 3 McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 15 December 2013.
↑ Krebs, Gunter. "Zenit-2 (11F61)". Gunter's Space Page. Retrieved 15 December 2013.
1 2 Wade, Mark. "Zenit-2". Encyclopedia Astronautica. Retrieved 15 December 2013.
↑ Wade, Mark. "Vostok 8A92". Encyclopedia Astronautica. Retrieved 13 December 2013.

← 1962 · Orbital launches in 1963 · 1964 →

Luna E-6 No.2 \| OPS 0048 \| OPS 0180 \| Luna E-6 No.3 \| Syncom 1 \| OPS 0240 \| OPS 0583 \| OPS 0627 · P-11 No.1 \| Kosmos 13 \| OPS 0720 \| Luna 4 \| Explorer 17 \| Transit 5A-2 \| DS-P1 No.2 \| Kosmos 14 \| Kosmos 15 \| OPS 1008 \| OPS 1298 \| Kosmos 16 \| Telstar 2 \| Midas 7 · Dash 1 · ERS-5 · ERS-6 · Westford 2 \| Mercury-Atlas 9 (Balloon Subsatellite 2 · Flashing Light Unit) \| OPS 0924 \| Kosmos 17 \| Kosmos 18 \| DS-MT No.1 \| OPS 0954 \| Midas 8 · ERS-7 · ERS-8 \| Vostok 5 \| FTV-1292 · Solrad 6A · LOFTI 2B · Surcal 3 · Radose 112 \| Transit 5A-3 \| Vostok 6 \| TIROS-7 \| OPS 0999 · Hitchhiker 1 \| GRS \| OPS 1440 \| Zenit-2 No.12 \| OPS 1467 \| OPS 1266 \| Midas 9 · Dash 2 · ERS-9 · ERS-10 \| Syncom 2 \| OPS 1370 \| Kosmos 19 \| DS-A1 No.3 \| OPS 1419 \| OPS 1561 · LAMPO \| OPS 1947 \| OPS 1353 \| OPS 1610 \| Transit 5BN-1 · Transit 5E-1 \| Vela 1A · Vela 1B · ERS-12 \| Kosmos 20 \| DS-A1 No.4 \| OPS 2196 \| OPS 2437 · Hitchhiker 2 \| Polyot 1 \| OPS 2268 \| Kosmos 21 \| Kosmos 22 \| Explorer 18 \| Atlas-Centaur 2 \| OPS 2260 \| Zenit-2 No.14 \| Transit 5BN-2 · Transit 5E-2 \| Kosmos 23 \| OPS 2372 \| Kosmos 24 \| Explorer 19 \| TIROS-8 \| OPS 1388 · Hitchhiker 3

Payloads are separated by bullets ( · ), launches by pipes ( \| ). Manned flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in brackets.

Zenit-2 satellites

Zenit-2	#1 Kosmos 4 #3 Kosmos 7 Kosmos 9 Kosmos 10 Kosmos 12 Kosmos 13 Kosmos 15 Kosmos 16 Kosmos 18 #12 Kosmos 20 #14 Kosmos 24 Kosmos 28 Kosmos 29 Kosmos 32 Kosmos 33 Kosmos 35 Kosmos 37 Kosmos 46 Kosmos 48 Kosmos 50 Kosmos 52 Kosmos 64 Kosmos 66 Kosmos 68 #28 Kosmos 78 Kosmos 98 Kosmos 99 Kosmos 104 Kosmos 105 Kosmos 107 Kosmos 112 Kosmos 115 Kosmos 117 Kosmos 120 Kosmos 124 #40 Kosmos 129 Kosmos 132 Kosmos 136 Kosmos 138 Kosmos 143 Kosmos 147 Kosmos 153 Kosmos 157 Kosmos 164 Kosmos 168 #51 Kosmos 177 Kosmos 180 Kosmos 181 Kosmos 193 Kosmos 195 Kosmos 199 Kosmos 205 Kosmos 210 Kosmos 216 Kosmos 223 Kosmos 231 Kosmos 235 Kosmos 240 Kosmos 247 Kosmos 253 Kosmos 255 Kosmos 258 Kosmos 263 Kosmos 266 Kosmos 273 Kosmos 278 Kosmos 281 Kosmos 287 Kosmos 290 Kosmos 301 Kosmos 309 Kosmos 325 Kosmos 326 Kosmos 344

Zenit-2M (Gektor)	Kosmos 208 Kosmos 228 Kosmos 243 Kosmos 293 Kosmos 306 Kosmos 313 Kosmos 318 Kosmos 329 Kosmos 350 Kosmos 353 Kosmos 363 Kosmos 366 Kosmos 368 Kosmos 377 Kosmos 384 Kosmos 392 Unknown Kosmos 403 Kosmos 410 Kosmos 428 Kosmos 431 Kosmos 439 Kosmos 443 Unknown Kosmos 473 Kosmos 477 Kosmos 484 Kosmos 490 Kosmos 493 Kosmos 512 Kosmos 517 Kosmos 518 Kosmos 525 Kosmos 537 Kosmos 547 Kosmos 552 Kosmos 555 Kosmos 561 Kosmos 575 Kosmos 578 Kosmos 583 Kosmos 596 Kosmos 599 Kosmos 629 Kosmos 635 Kosmos 640 Kosmos 653 Kosmos 658 Kosmos 669 Unknown Kosmos 685 Kosmos 692 Kosmos 696 Kosmos 702 Kosmos 721 Kosmos 728 Kosmos 731 Kosmos 747 Kosmos 751 Kosmos 769 Kosmos 776 Kosmos 780 Kosmos 784 Kosmos 799 Kosmos 809 Kosmos 813 Kosmos 819 Kosmos 834 Kosmos 840 Kosmos 848 Kosmos 856 Kosmos 865 Kosmos 879 Kosmos 889 Kosmos 898 Kosmos 904 Kosmos 914 Kosmos 922 Kosmos 935 Kosmos 947 Kosmos 950 Kosmos 966 Kosmos 973 Kosmos 984 Kosmos 992 Kosmos 995 Kosmos 1002 Kosmos 1004 Kosmos 1012 Kosmos 1032 Kosmos 1044 Kosmos 1060 Kosmos 1061 Kosmos 1070 Unknown Kosmos 1090

Zenit List of Kosmos satellites List of R-7 launches

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