Kosmos 105

{{Short description|Soviet reconnaissance satellite (Zenit 2-34)}}

{{Use dmy dates|date=January 2014}}

{{Use British English|date=January 2014}}

{{Infobox spaceflight

| name = Kosmos 105

| names_list = Zenit 2-34

| image = Zenit space vehicle.jpg

| image_caption = A Zenit reentry capsule

| mission_type = Optical imaging reconnaissance

| operator = OKB-1

| COSPAR_ID = 1966-003A

| SATCAT = 1945

| mission_duration = {{time interval|22 January 1966|30 January 1966}}

| spacecraft_type = Zenit-2

| manufacturer = OKB-1

| dry_mass =

| launch_mass = 4730 kghttps://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1966-003A - 27 February 2020

| dimensions =

| power =

| launch_date = 22 January 1966
08:38:00 GMT

| launch_rocket = Vostok-2

| launch_site = Baikonur 31/6

| launch_contractor = OKB-1

| disposal_type = Recovered

| landing_date = 30 January 1966

| landing_site =

| orbit_epoch = 22 January 1966

| orbit_reference = Geocentrichttps://nssdc.gsfc.nasa.gov/nmc/spacecraft/displayTrajectory.action?id=1966-003A - 27 February 2020

| orbit_regime = Low Earth

| orbit_periapsis = 204 km

| orbit_apoapsis = 310 km

| orbit_inclination = 65.0°

| orbit_period = 89.7 minutes

| apsis = gee

| programme = Zenit programme
Zenit-2

| previous_mission = Zenit 2-33

| next_mission = Zenit 2-35

| programme2 = Kosmos (satellites)

| previous_mission2 = Kosmos 104

| next_mission2 = Kosmos 106

}}

Kosmos 105 ({{langx|ru|Космос 105}} meaning Cosmos 105) or Zenit-2 No.34 was a Soviet, first generation, low resolution, optical film-return reconnaissance satellite launched in 1966. A Zenit-2 spacecraft, Kosmos 105 was the thirty-fourth of eighty-one such satellites to be launched{{cite web |url=http://space.skyrocket.de/doc_sdat/zenit-2.htm|title=Zenit-2 (11F61)|first=Gunter|last=Krebs|work=Gunter's Space Page|access-date=2 January 2014|archive-url=https://web.archive.org/web/20111231133235/http://space.skyrocket.de/doc_sdat/zenit-2.htm|archive-date=31 December 2011|url-status=dead}} and had a mass of {{convert|4730|kg|lb}}.

Kosmos 105 was launched by a Vostok-2 rocket{{cite encyclopedia|url=http://www.astronautix.com/lvs/vosk8a92.htm|title=Vostok 8A92|first=Mark|last=Wade|encyclopedia=Encyclopedia Astronautica|access-date=2 January 2014|url-status=dead|archive-url=https://web.archive.org/web/20160822074413/http://www.astronautix.com/lvs/vosk8a92.htm|archive-date=22 August 2016|df=dmy-all}} flying from Site 31/6 at the Baikonur Cosmodrome. The launch took place at 08:38 GMT on 22 January 1966,{{cite web|url=http://planet4589.org/space/log/launchlog.txt |title=Launch Log|first=Jonathan|last=McDowell|author-link=Jonathan McDowell|work=Jonathan's Space Page|access-date=2 January 2014}} and following its successful arrival in orbit the spacecraft received its Kosmos designation, along with the International Designator 1966-003A and the Satellite Catalog Number 01945.{{cite web |url=https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1966-003A|title=Cosmos 105|publisher=National Space Science Data Center|access-date=2 January 2014}}

Kosmos 105 was operated in a low Earth orbit; at an epoch of 22 January 1966 it had a perigee of {{convert|204|km|mi}}, an apogee of {{convert|310|km|mi}}, an inclination of 65.0° and an orbital period of 89.7 minutes.{{cite web|url=http://planet4589.org/space/log/satcat.txt|title=Satellite Catalog|first=Jonathan|last=McDowell |work=Jonathan's Space Page|access-date=2 January 2014}} On 30 January 1966, after eight days in orbit, the satellite was deorbited with its return capsule descending by parachute for recovery by Soviet force.{{cite encyclopedia|url=http://www.astronautix.com/craft/zenit2.htm|title=Zenit-2|first=Mark|last=Wade|encyclopedia=Encyclopedia Astronautica|access-date=2 January 2014|url-status=dead |archive-url=https://web.archive.org/web/20120523064141/http://www.astronautix.com/craft/zenit2.htm|archive-date=23 May 2012|df=dmy-all}}