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| spacecraft_type = [[DS-P1-Yu]]
| spacecraft_type = [[DS-P1-Yu]]
| manufacturer = [[Yuzhnoye Design Bureau|Yuzhnoye]]
| manufacturer = [[Yuzhnoye Design Bureau|Yuzhnoye]]
| launch_mass = {{convert|325|kg}}
| launch_mass = {{convert|325|kg|lb|abbr=on}}


| launch_date = {{start-date|7 February 1969, 13:59|timezone=yes}} UTC
| launch_date = {{start-date|7 February 1969, 13:59|timezone=yes}} UTC
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| orbit_reference = [[Geocentric orbit|Geocentric]]
| orbit_reference = [[Geocentric orbit|Geocentric]]
| orbit_regime = [[Low Earth orbit|Low Earth]]
| orbit_regime = [[Low Earth orbit|Low Earth]]
| orbit_periapsis = {{convert|261|km}}
| orbit_periapsis = {{convert|261|km|mi|abbr=on}}
| orbit_apoapsis = {{convert|413|km}}
| orbit_apoapsis = {{convert|413|km|mi|abbr=on}}
| orbit_inclination = 70.9 degrees
| orbit_inclination = 70.9 degrees
| orbit_period = 91.3 minutes
| orbit_period = 91.3 minutes
| apsis = gee
| apsis = gee
}}
}}
'''Kosmos 265''' ({{lang-ru|Космос 265}} meaning ''Cosmos 265''), known before launch as '''DS-P1-Yu No.21''', was a [[Soviet Union|Soviet]] [[satellite]] which was used as a radar calibration target for tests of [[anti-ballistic missile]]s. It was built by the [[Yuzhnoye Design Bureau]], and launched in 1969 as part of the [[Dnepropetrovsk Sputnik]] programme.<ref name="EA-DSP1Yu">{{cite web|url=http://www.astronautix.com/craft/dsp1yu.htm|title=DS-P1-Yu|last=Wade|first=Mark|publisher=Encyclopedia Astronautica|accessdate=13 August 2009}}</ref> It had a mass of {{convert|325|kg}}.<ref name="EA-DSP1Yu"/>
'''Kosmos 265''' ({{lang-ru|Космос 265}} meaning ''Cosmos 265''), known before launch as '''DS-P1-Yu No.21''', was a [[Soviet Union|Soviet]] [[satellite]] which was used as a radar calibration target for tests of [[anti-ballistic missile]]s. It was built by the [[Yuzhnoye Design Bureau]], and launched in 1969 as part of the Dnepropetrovsk Sputnik programme.<ref name="EA-DSP1Yu">{{cite web |url=http://www.astronautix.com/craft/dsp1yu.htm |title=DS-P1-Yu |last=Wade |first=Mark |publisher=Encyclopedia Astronautica |accessdate=13 August 2009}}</ref> It had a mass of {{convert|325|kg|lb|abbr=on}}.<ref name="EA-DSP1Yu"/>


Kosmos 265 was launched from [[Plesetsk Cosmodrome Site 133|Site 133/1]] at the [[Plesetsk Cosmodrome]],<ref name="JSR-LL">{{cite web|url=http://planet4589.org/space/log/launchlog.txt|title=Launch Log|last=McDowell|first=Jonathan|publisher=Jonathan's Space Page|accessdate=13 August 2009}}</ref> atop a [[Kosmos-2I]] 63SM [[carrier rocket]]. The launch occurred on 7 February 1969 at 13:59 UTC, and resulted in Kosmos 265's successful deployment into [[low Earth orbit]].<ref name="EA-K2">{{cite web|url=http://www.astronautix.com/lvs/kosmos2.htm|title=Kosmos 2|last=Wade|first=Mark|publisher=Encyclopedia Astronautica|accessdate=13 August 2009}}</ref> Upon reaching orbit, it was assigned its [[Cosmos (satellite)|Kosmos]] designation, and received the [[International Designator]] 1969-012A.
Kosmos 265 was launched from Plesetsk Cosmodrome Site 133/1,<ref name="JSR-LL">{{cite web |url=http://planet4589.org/space/log/launchlog.txt |title=Launch Log |last=McDowell |first=Jonathan |publisher=Jonathan's Space Page |accessdate=13 August 2009}}</ref> atop a Kosmos-2I 63SM [[carrier rocket]]. The launch occurred on 7 February 1969 at 13:59 UTC, and resulted in Kosmos 265's successful deployment into low Earth orbit.<ref name="EA-K2">{{cite web |url=http://www.astronautix.com/lvs/kosmos2.htm |title=Kosmos 2 |last=Wade |first=Mark |publisher=Encyclopedia Astronautica |accessdate=13 August 2009}}</ref> Upon reaching orbit, it was assigned its [[Cosmos (satellite)|Kosmos]] designation, and received the [[International Designator]] 1969-012A.


Kosmos 265 was operated in an orbit with a [[apsis|perigee]] of {{convert|261|km}}, an [[apsis|apogee]] of {{convert|413|km}}, 70.9 degrees of [[inclination]], and an [[orbital period]] of 91.3 minutes.<ref name="EA-DSP1Yu"/><ref name="JSR-SC"/> It remained in orbit until it [[orbital decay|decayed]] and reentered the atmosphere on 1 May 1969.<ref name="JSR-SC">{{cite web|url=http://www.planet4589.org/space/log/satcat.txt|title=Satellite Catalog|last=McDowell|first=Jonathan|publisher=Jonathan's Space Page|accessdate=13 August 2009}}</ref> It was the eighteenth of seventy nine [[DS-P1-Yu]] satellites to be launched,<ref name="EA-DSP1Yu"/> and the seventeenth of seventy two to successfully reach orbit.<ref name="GSP">{{cite web|url=http://space.skyrocket.de/doc_sdat/ds-p1-yu.htm|title=DS-P1-Yu (11F618)|first=Gunter|last=Krebs|publisher=Gunter's Space Page|accessdate=13 August 2009}}</ref>
Kosmos 265 was operated in an orbit with a [[apsis|perigee]] of {{convert|261|km|mi|abbr=on}}, an [[apsis|apogee]] of {{convert|413|km|mi|abbr=on}}, 70.9 degrees of [[inclination]], and an [[orbital period]] of 91.3 minutes.<ref name="EA-DSP1Yu"/><ref name="JSR-SC"/> It remained in orbit until it [[orbital decay|decayed]] and reentered the atmosphere on 1 May 1969.<ref name="JSR-SC">{{cite web |url=http://www.planet4589.org/space/log/satcat.txt |title=Satellite Catalog |last=McDowell |first=Jonathan |publisher=Jonathan's Space Page |accessdate=13 August 2009}}</ref> It was the eighteenth of seventy nine DS-P1-Yu satellites to be launched,<ref name="EA-DSP1Yu"/> and the seventeenth of seventy two to successfully reach orbit.<ref name="GSP">{{cite web |url=http://space.skyrocket.de/doc_sdat/ds-p1-yu.htm |title=DS-P1-Yu (11F618) |first=Gunter |last=Krebs |publisher=Gunter's Space Page |accessdate=13 August 2009}}</ref>

{{-}}


== See also ==
== See also ==
{{Portal|Spaceflight}}
* [[1969 in spaceflight]]
* [[1969 in spaceflight]]

{{-}}


== References ==
== References ==
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{{Dnepropetrovsk Sputnik}}
{{Dnepropetrovsk Sputnik}}
{{Orbital launches in 1969}}


{{Use British English|date=January 2014}}
{{Use British English|date=January 2014}}
{{Use dmy dates|date=January 2014}}
{{Use dmy dates|date=January 2014}}
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[[Category:Spacecraft launched in 1969]]
[[Category:Spacecraft launched in 1969]]
[[Category:Kosmos satellites]]
[[Category:Kosmos satellites]]



{{USSR-spacecraft-stub}}
{{USSR-spacecraft-stub}}

Revision as of 22:31, 24 January 2014

Kosmos 265
Mission typeABM radar target
COSPAR ID1969-012A Edit this at Wikidata
SATCAT no.03675Edit this on Wikidata
Spacecraft properties
Spacecraft typeDS-P1-Yu
ManufacturerYuzhnoye
Launch mass325 kg (717 lb)
Start of mission
Launch date7 February 1969, 13:59 (1969-02-07UTC13:59Z) UTC
RocketKosmos-2I 63SM
Launch sitePlesetsk 133/1
End of mission
Decay date1 May 1969 (1969-06)
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude261 km (162 mi)
Apogee altitude413 km (257 mi)
Inclination70.9 degrees
Period91.3 minutes
 

Kosmos 265 (Russian: Космос 265 meaning Cosmos 265), known before launch as DS-P1-Yu No.21, was a Soviet satellite which was used as a radar calibration target for tests of anti-ballistic missiles. It was built by the Yuzhnoye Design Bureau, and launched in 1969 as part of the Dnepropetrovsk Sputnik programme.[1] It had a mass of 325 kg (717 lb).[1]

Kosmos 265 was launched from Plesetsk Cosmodrome Site 133/1,[2] atop a Kosmos-2I 63SM carrier rocket. The launch occurred on 7 February 1969 at 13:59 UTC, and resulted in Kosmos 265's successful deployment into low Earth orbit.[3] Upon reaching orbit, it was assigned its Kosmos designation, and received the International Designator 1969-012A.

Kosmos 265 was operated in an orbit with a perigee of 261 km (162 mi), an apogee of 413 km (257 mi), 70.9 degrees of inclination, and an orbital period of 91.3 minutes.[1][4] It remained in orbit until it decayed and reentered the atmosphere on 1 May 1969.[4] It was the eighteenth of seventy nine DS-P1-Yu satellites to be launched,[1] and the seventeenth of seventy two to successfully reach orbit.[5]

See also

References

  1. ^ a b c d Wade, Mark. "DS-P1-Yu". Encyclopedia Astronautica. Retrieved 13 August 2009.
  2. ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 13 August 2009.
  3. ^ Wade, Mark. "Kosmos 2". Encyclopedia Astronautica. Retrieved 13 August 2009.
  4. ^ a b McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 13 August 2009.
  5. ^ Krebs, Gunter. "DS-P1-Yu (11F618)". Gunter's Space Page. Retrieved 13 August 2009.