| 词条 | Kosmos 303 |
| 释义 |
| name = Kosmos 303 | mission_type = ABM radar target | operator = | COSPAR_ID = 1969-090A | SATCAT = | mission_duration = | spacecraft_type = DS-P1-Yu | manufacturer = Yuzhnoye | launch_mass = {{convert|325|kg}} | launch_date = {{start-date|18 October 1969, 10:00:03|timezone=yes}} UTC | launch_rocket = Kosmos-2I 63SM | launch_site = Plesetsk 133/1 | decay_date = {{end-date|23 January 1970}} | orbit_epoch = | orbit_reference = Geocentric | orbit_regime = Low Earth | orbit_periapsis = {{convert|259|km}} | orbit_apoapsis = {{convert|426|km}} | orbit_inclination = 71 degrees | orbit_period = 91.4 minutes | apsis = gee }}Kosmos 303 ({{lang-ru|Космос 303}} meaning Cosmos 303), known before launch as DS-P1-Yu No.28, was a Soviet satellite which was launched in 1969 as part of the Dnepropetrovsk Sputnik programme. It was a {{convert|325|kg|adj=on}} spacecraft, which was built by the Yuzhnoye Design Bureau, and was used as a radar calibration target for anti-ballistic missile tests.[1] LaunchKosmos 303 was launched from Site 133/1 at the Plesetsk Cosmodrome,[2] atop a Kosmos-2I 63SM carrier rocket. The launch occurred on 18 October 1969 at 10:00:03 UTC, and resulted in the successful deployment of Kosmos 303 into low Earth orbit.[3] Upon reaching orbit, it was assigned its Kosmos designation, and received the International Designator 1969-090A. Kosmos 303 was operated in an orbit with a perigee of {{convert|259|km}}, an apogee of {{convert|426|km}}, 71 degrees of inclination, and an orbital period of 91.4 minutes.[1][5] It remained in orbit until it decayed and reentered the atmosphere on 23 January 1970.[4] It was the twenty-fifth of seventy nine DS-P1-Yu satellites to be launched,[1] and the twenty-third of seventy two to successfully reach orbit.[5] {{-}}See also{{Portal|Spaceflight}}
References1. ^1 2 {{cite web|url=http://www.astronautix.com/craft/dsp1yu.htm|title=DS-P1-Yu|last=Wade|first=Mark|publisher=Encyclopedia Astronautica|accessdate=14 August 2009|deadurl=yes|archiveurl=https://www.webcitation.org/67kl9Q2Et?url=http://www.astronautix.com/craft/dsp1yu.htm|archivedate=18 May 2012|df=dmy-all}} {{Dnepropetrovsk Sputnik}}{{Orbital launches in 1969}}{{Use British English|date=January 2014}}{{Use dmy dates|date=January 2014}}{{DEFAULTSORT:Kosmos 0303}}{{USSR-spacecraft-stub}}2. ^{{cite web|url=http://planet4589.org/space/log/launchlog.txt|title=Launch Log|last=McDowell|first=Jonathan|publisher=Jonathan's Space Page|accessdate=14 August 2009}} 3. ^{{cite web|url=http://www.astronautix.com/lvs/kosmos2.htm|title=Kosmos 2|last=Wade|first=Mark|publisher=Encyclopedia Astronautica|accessdate=14 August 2009|deadurl=yes|archiveurl=https://www.webcitation.org/690mZkz9v?url=http://www.astronautix.com/lvs/kosmos2.htm|archivedate=8 July 2012|df=dmy-all}} 4. ^1 {{cite web|url=http://www.planet4589.org/space/log/satcat.txt|title=Satellite Catalog|last=McDowell|first=Jonathan|publisher=Jonathan's Space Page|accessdate=14 August 2009}} 5. ^{{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=14 August 2009}} 2 : Spacecraft launched in 1969|Kosmos satellites |
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