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Available in 7 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-7" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">7 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Cosmos_1818" title="Cosmos 1818 – French" lang="fr" hreflang="fr" data-title="Cosmos 1818" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Cosmos_1818" title="Cosmos 1818 – Italian" lang="it" hreflang="it" data-title="Cosmos 1818" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Koszmosz%E2%80%931818" title="Koszmosz–1818 – Hungarian" lang="hu" hreflang="hu" data-title="Koszmosz–1818" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9A%D0%BE%D1%81%D0%BC%D0%BE%D1%81-1818" title="Космос-1818 – Macedonian" lang="mk" hreflang="mk" data-title="Космос-1818" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9A%D0%BE%D1%81%D0%BC%D0%BE%D1%81-1818" title="Космос-1818 – Russian" lang="ru" hreflang="ru" data-title="Космос-1818" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9A%D0%BE%D1%81%D0%BC%D0%BE%D1%81-1818" title="Космос-1818 – Serbian" lang="sr" hreflang="sr" data-title="Космос-1818" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Kosmos-1818" title="Kosmos-1818 – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Kosmos-1818" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski 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class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Soviet surveillance satellite</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><style data-mw-deduplicate="TemplateStyles:r1089065853">.mw-parser-output .ib-spaceflight{width:25em}.mw-parser-output .ib-spaceflight .infobox-header{background:#ddf}.mw-parser-output .ib-edit-wd{float:right}</style><table class="infobox ib-spaceflight"><caption class="infobox-title">Kosmos 1818</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Illustration_of_Cosmos_1818_and_Cosmos_1867.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Illustration_of_Cosmos_1818_and_Cosmos_1867.jpg/260px-Illustration_of_Cosmos_1818_and_Cosmos_1867.jpg" decoding="async" width="260" height="74" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Illustration_of_Cosmos_1818_and_Cosmos_1867.jpg/390px-Illustration_of_Cosmos_1818_and_Cosmos_1867.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/d/d2/Illustration_of_Cosmos_1818_and_Cosmos_1867.jpg 2x" data-file-width="452" data-file-height="129" /></a></span><div class="infobox-caption">Illustration of Kosmos 1818</div></td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th scope="row" class="infobox-label">Mission type</th><td class="infobox-data">Radar ocean surveillance</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/International_Designator" title="International Designator">COSPAR ID</a></th><td class="infobox-data"><span class="nowrap"><a rel="nofollow" class="external text" href="https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1987-011A">1987-011A</a></span><span class="ib-edit-wd"> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q2474942#P247" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Satellite_Catalog_Number" title="Satellite Catalog Number">SATCAT <abbr title="number">no.</abbr></a></th><td class="infobox-data">17369</td></tr><tr><th scope="row" class="infobox-label">Mission duration</th><td class="infobox-data">~ 5 to 6 months</td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th colspan="2" class="infobox-header">Spacecraft properties</th></tr><tr><th scope="row" class="infobox-label">Spacecraft type</th><td class="infobox-data"><a href="/w/index.php?title=Plazma-A&action=edit&redlink=1" class="new" title="Plazma-A (page does not exist)">Plazma-A</a></td></tr><tr><th scope="row" class="infobox-label">Launch mass</th><td class="infobox-data">1,500 kilograms (3,307 lb)</td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th colspan="2" class="infobox-header">Start of mission</th></tr><tr><th scope="row" class="infobox-label">Launch date</th><td class="infobox-data">February 1, 1987, 23:31:00<span style="display:none"> (<span class="dtstart">1987-02-01UTC23:31Z</span>)</span> UTC</td></tr><tr><th scope="row" class="infobox-label">Rocket</th><td class="infobox-data"><a href="/wiki/Tsyklon-2" title="Tsyklon-2">Tsyklon-2</a></td></tr><tr><th scope="row" class="infobox-label">Launch site</th><td class="infobox-data"><a href="/wiki/Baikonur_Cosmodrome" title="Baikonur Cosmodrome">Baikonur</a> <a href="/wiki/Baikonur_Cosmodrome_Site_90" title="Baikonur Cosmodrome Site 90">90</a></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th colspan="2" class="infobox-header">Orbital parameters</th></tr><tr><th scope="row" class="infobox-label">Reference system</th><td class="infobox-data"><a href="/wiki/Geocentric_orbit" title="Geocentric orbit">Geocentric</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Orbital_eccentricity" title="Orbital eccentricity">Eccentricity</a></th><td class="infobox-data">0.0016868</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Apsis" title="Apsis">Perigee altitude</a></th><td class="infobox-data">775 kilometres (482 mi)</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Apsis" title="Apsis">Apogee altitude</a></th><td class="infobox-data">799 kilometres (496 mi)</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Orbital_inclination" title="Orbital inclination">Inclination</a></th><td class="infobox-data">65.01 degrees</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Orbital_period" title="Orbital period">Period</a></th><td class="infobox-data">100.61 minutes</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Epoch_(astronomy)" title="Epoch (astronomy)">Epoch</a></th><td class="infobox-data">April 15, 2014 UTC 00:20:33.89</td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><td colspan="2" class="infobox-below"><div style="clear:both;" class=""></div></td></tr></tbody></table> <p><b> Kosmos 1818</b> was a nuclear powered Soviet surveillance satellite in the <a href="/wiki/RORSAT" class="mw-redirect" title="RORSAT">RORSAT</a> program, which monitored NATO vessels using radar. Kosmos 1818 was the first satellite to use the TOPAZ-1 fission reactor. In July 2008, the satellite was damaged, and leaked a trail of sodium coolant. </p> <div class="mw-heading mw-heading2"><h2 id="Description">Description</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kosmos_1818&action=edit&section=1" title="Edit section: Description"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Kosmos 1818 was launched on February 1, 1987 on a <a href="/wiki/Tsyklon-2" title="Tsyklon-2">Tsyklon-2</a> rocket from the <a href="/wiki/Baikonur_Cosmodrome" title="Baikonur Cosmodrome">Baikonur Cosmodrome</a>. It was put into an orbit about 800 km (500 mi) above the Earth's surface at an <a href="/wiki/Inclination" class="mw-redirect" title="Inclination">inclination</a> of 65° and a period of 100.6 minutes. The <a href="/wiki/Satellite" title="Satellite">satellite</a> had a mission life of about five to six months.<sup id="cite_ref-n2yo_1-0" class="reference"><a href="#cite_note-n2yo-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-NSSDC_2-0" class="reference"><a href="#cite_note-NSSDC-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>The satellite was powered by a <a href="/wiki/TOPAZ_nuclear_reactor" title="TOPAZ nuclear reactor">TOPAZ 1 nuclear reactor</a>. This was cooled by liquid sodium-potassium, <a href="/wiki/NaK" class="mw-redirect" title="NaK">NaK</a>, metal, it used a high-temperature <a href="/wiki/Neutron_moderator" title="Neutron moderator">moderator</a> containing hydrogen and highly <a href="/wiki/Enriched_uranium" title="Enriched uranium">enriched uranium</a> fuel. It produced electricity using a <a href="/wiki/Thermionic_converter" title="Thermionic converter">thermionic converter</a>. It had a <a href="/wiki/Hall_effect_thruster" class="mw-redirect" title="Hall effect thruster">Plazma-2 SPT electric engine</a>.<sup id="cite_ref-debris_3-0" class="reference"><a href="#cite_note-debris-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Its mission was to search the oceans for naval and merchant vessels, using radar. </p><p>Unlike the earlier Soviet <a href="/wiki/RORSAT" class="mw-redirect" title="RORSAT">RORSAT</a> satellites, Kosmos 1818 and its twin, <a href="/wiki/Kosmos_1867" title="Kosmos 1867">Kosmos 1867</a>, were launched into high orbits. This mitigated the possibility of mishaps resulting in uncontrolled re-entry of radioactive material, as had occurred with <a href="/wiki/Kosmos_954" title="Kosmos 954">Kosmos 954</a> and <a href="/wiki/Kosmos_1402" title="Kosmos 1402">Kosmos 1402</a>, which showered the Earth with <a href="/wiki/Radioactive" class="mw-redirect" title="Radioactive">radioactive</a> debris.<sup id="cite_ref-debris_3-1" class="reference"><a href="#cite_note-debris-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>In 1992, Kosmos 1818 had an approximate <a href="/wiki/Apparent_magnitude" title="Apparent magnitude">visual magnitude</a> of 3.3.<sup id="cite_ref-SPACEWARN_4-0" class="reference"><a href="#cite_note-SPACEWARN-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Fragmentation">Fragmentation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kosmos_1818&action=edit&section=2" title="Edit section: Fragmentation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>About July 4, 2008, either Kosmos 1818 was hit by an object or a coolant tube cracked due to thermal stresses by repeated solar heating.<sup id="cite_ref-David_5-0" class="reference"><a href="#cite_note-David-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The <a href="/wiki/United_States_Space_Surveillance_Network" title="United States Space Surveillance Network">US Space Surveillance Network</a> reported that about thirty objects were formed. These have orbital periods ranging from 100.5 to 101.5 minutes. Some of the debris appears to be metallic spheres. These could have resulted from the NaK <a href="/wiki/Coolant" title="Coolant">coolant</a>. </p><p><a href="/wiki/Russian_Space_Forces" title="Russian Space Forces">Russian Space Forces</a> chief of staff General Alexander Yakushin indicated that the debris was high above the orbit of the <a href="/wiki/International_Space_Station" title="International Space Station">International Space Station</a> and did not pose any threat of <a href="/wiki/Radioactive_contamination" title="Radioactive contamination">radioactive contamination</a> to the Earth.<sup id="cite_ref-MSNBC_6-0" class="reference"><a href="#cite_note-MSNBC-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Kosmos_1818&action=edit&section=3" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-n2yo-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-n2yo_1-0">^</a></b></span> <span class="reference-text"> <style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.n2yo.com/satellite/?s=17369">"Cosmos 1818"</a>. <i>Real Time Satellite Tracking</i>. N2YO.com<span class="reference-accessdate">. Retrieved <span class="nowrap">24 January</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Real+Time+Satellite+Tracking&rft.atitle=Cosmos+1818&rft_id=http%3A%2F%2Fwww.n2yo.com%2Fsatellite%2F%3Fs%3D17369&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKosmos+1818" class="Z3988"></span></span> </li> <li id="cite_note-NSSDC-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-NSSDC_2-0">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1987-011A">"Cosmos 1818"</a>. <i>NSSDC Master Catalog Search</i>. <a href="/wiki/NASA" title="NASA">NASA</a><span class="reference-accessdate">. Retrieved <span class="nowrap">24 January</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=NSSDC+Master+Catalog+Search&rft.atitle=Cosmos+1818&rft_id=https%3A%2F%2Fnssdc.gsfc.nasa.gov%2Fnmc%2Fspacecraft%2Fdisplay.action%3Fid%3D1987-011A&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKosmos+1818" class="Z3988"></span></span> </li> <li id="cite_note-debris-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-debris_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-debris_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090320155317/http://orbitaldebris.jsc.nasa.gov/newsletter/pdfs/ODQNv13i1.pdf">"New Debris Seen from Decommissioned Satellite with Nuclear Power Source"</a> <span class="cs1-format">(PDF)</span>. <i>Orbital Debris Quarterly News</i>. <a href="/wiki/NASA" title="NASA">NASA</a>. 24 January 2009. Archived from <a rel="nofollow" class="external text" href="https://orbitaldebris.jsc.nasa.gov/newsletter/pdfs/ODQNv13i1.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 20 March 2009<span class="reference-accessdate">. Retrieved <span class="nowrap">24 January</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Orbital+Debris+Quarterly+News&rft.atitle=New+Debris+Seen+from+Decommissioned+Satellite+with+Nuclear+Power+Source&rft.date=2009-01-24&rft_id=http%3A%2F%2Forbitaldebris.jsc.nasa.gov%2Fnewsletter%2Fpdfs%2FODQNv13i1.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKosmos+1818" class="Z3988"></span></span> </li> <li id="cite_note-SPACEWARN-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-SPACEWARN_4-0">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://nssdc.gsfc.nasa.gov/spacewarn/spx461-photosat.html">"Spacecraft Particularly Suited for International Participation: Category I"</a>. <i>SPACEWARN Bulletin Number 461</i>. <a href="/wiki/NASA" title="NASA">NASA</a>. March 25, 1992<span class="reference-accessdate">. Retrieved <span class="nowrap">24 January</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=SPACEWARN+Bulletin+Number+461&rft.atitle=Spacecraft+Particularly+Suited+for+International+Participation%3A+Category+I&rft.date=1992-03-25&rft_id=http%3A%2F%2Fnssdc.gsfc.nasa.gov%2Fspacewarn%2Fspx461-photosat.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKosmos+1818" class="Z3988"></span></span> </li> <li id="cite_note-David-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-David_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDavid2009" class="citation web cs1">David, Leonard (15 January 2009). <a rel="nofollow" class="external text" href="https://www.space.com/6322-nuclear-powered-soviet-satellite-acts.html">"Old Nuclear-Powered Soviet Satellite Acts Up"</a>. <i>News</i>. Space.com<span class="reference-accessdate">. Retrieved <span class="nowrap">31 January</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=News&rft.atitle=Old+Nuclear-Powered+Soviet+Satellite+Acts+Up&rft.date=2009-01-15&rft.aulast=David&rft.aufirst=Leonard&rft_id=https%3A%2F%2Fwww.space.com%2F6322-nuclear-powered-soviet-satellite-acts.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKosmos+1818" class="Z3988"></span></span> </li> <li id="cite_note-MSNBC-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-MSNBC_6-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFIsachenkov2009" class="citation cs2">Isachenkov, Vladimir (21 January 2009), <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160305113921/http://www.nbcnews.com/id/28774132/">"Russia says old nuclear satellite poses no threat"</a>, <i><a href="/wiki/NBC_News" title="NBC News">NBC News</a></i>, archived from <a rel="nofollow" class="external text" href="http://www.nbcnews.com/id/28774132">the original</a> on March 5, 2016</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=NBC+News&rft.atitle=Russia+says+old+nuclear+satellite+poses+no+threat&rft.date=2009-01-21&rft.aulast=Isachenkov&rft.aufirst=Vladimir&rft_id=http%3A%2F%2Fwww.nbcnews.com%2Fid%2F28774132&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKosmos+1818" class="Z3988"></span></span> </li> </ol></div></div> <style data-mw-deduplicate="TemplateStyles:r1239009302">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output 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style="color:inherit">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Nukesats" title="Special:EditPage/Template:Nukesats"><abbr title="Edit this template" style="color:inherit">e</abbr></a></li></ul></div><div id="Nuclear-powered_Earth_satellites" style="font-size:114%;margin:0 4em">Nuclear-powered Earth satellites</div></th></tr><tr><td class="navbox-abovebelow" colspan="2" style="background-color:#DCDCDC;color:inherit;"><div> <ul><li><a href="/wiki/Nuclear_power_in_space" title="Nuclear power in space">Nuclear power in space</a></li> <li><a href="/wiki/List_of_nuclear_power_systems_in_space" title="List of nuclear power systems in space">List of nuclear power systems in space</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Examples</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/SNAP-10A" title="SNAP-10A">SNAP-10A</a></li> <li><a href="/w/index.php?title=Transit-4A&action=edit&redlink=1" class="new" title="Transit-4A (page does not exist)">Transit-4A</a></li> <li><a href="/w/index.php?title=Transit-4B&action=edit&redlink=1" class="new" title="Transit-4B (page does not exist)">Transit-4B</a></li> <li><a href="/w/index.php?title=Transit_5BN-1&action=edit&redlink=1" class="new" title="Transit 5BN-1 (page does not exist)">Transit 5BN-1</a></li> <li><a href="/w/index.php?title=Transit_5BN-2&action=edit&redlink=1" class="new" title="Transit 5BN-2 (page does not exist)">Transit 5BN-2</a></li> <li><a href="/w/index.php?title=Kosmos_198&action=edit&redlink=1" class="new" title="Kosmos 198 (page does not exist)">Kosmos 198</a></li> <li><a href="/w/index.php?title=Kosmos_209&action=edit&redlink=1" class="new" title="Kosmos 209 (page does not exist)">Kosmos 209</a></li> <li><a href="/w/index.php?title=Kosmos_367&action=edit&redlink=1" class="new" title="Kosmos 367 (page does not exist)">Kosmos 367</a></li> <li><a href="/w/index.php?title=Kosmos_402&action=edit&redlink=1" class="new" title="Kosmos 402 (page does not exist)">Kosmos 402</a></li> <li><a href="/w/index.php?title=Kosmos_469&action=edit&redlink=1" class="new" title="Kosmos 469 (page does not exist)">Kosmos 469</a></li> <li><a href="/w/index.php?title=Kosmos_516&action=edit&redlink=1" class="new" title="Kosmos 516 (page does not exist)">Kosmos 516</a></li> <li><a href="/w/index.php?title=Kosmos_626&action=edit&redlink=1" class="new" title="Kosmos 626 (page does not exist)">Kosmos 626</a></li> <li><a href="/w/index.php?title=Kosmos_651&action=edit&redlink=1" class="new" title="Kosmos 651 (page does not exist)">Kosmos 651</a></li> <li><a href="/w/index.php?title=Kosmos_654&action=edit&redlink=1" class="new" title="Kosmos 654 (page does not exist)">Kosmos 654</a></li> <li><a href="/w/index.php?title=Kosmos_723&action=edit&redlink=1" class="new" title="Kosmos 723 (page does not exist)">Kosmos 723</a></li> <li><a href="/w/index.php?title=Kosmos_724&action=edit&redlink=1" class="new" title="Kosmos 724 (page does not exist)">Kosmos 724</a></li> <li><a href="/w/index.php?title=Kosmos_785&action=edit&redlink=1" class="new" title="Kosmos 785 (page does not exist)">Kosmos 785</a></li> <li><a href="/w/index.php?title=Kosmos_860&action=edit&redlink=1" class="new" title="Kosmos 860 (page does not exist)">Kosmos 860</a></li> <li><a href="/w/index.php?title=Kosmos_861&action=edit&redlink=1" class="new" title="Kosmos 861 (page does not exist)">Kosmos 861</a></li> <li><a href="/wiki/Kosmos_954" title="Kosmos 954">Kosmos 954</a></li> <li><a href="/w/index.php?title=Kosmos_1176&action=edit&redlink=1" class="new" title="Kosmos 1176 (page does not exist)">Kosmos 1176</a></li> <li><a href="/w/index.php?title=Kosmos_1249&action=edit&redlink=1" class="new" title="Kosmos 1249 (page does not exist)">Kosmos 1249</a></li> <li><a href="/w/index.php?title=Kosmos_1266&action=edit&redlink=1" class="new" title="Kosmos 1266 (page does not exist)">Kosmos 1266</a></li> <li><a href="/w/index.php?title=Kosmos_1299&action=edit&redlink=1" class="new" title="Kosmos 1299 (page does not exist)">Kosmos 1299</a></li> <li><a href="/w/index.php?title=Kosmos_1365&action=edit&redlink=1" class="new" title="Kosmos 1365 (page does not exist)">Kosmos 1365</a></li> <li><a href="/w/index.php?title=Kosmos_1372&action=edit&redlink=1" class="new" title="Kosmos 1372 (page does not exist)">Kosmos 1372</a></li> <li><a href="/wiki/Kosmos_1402" title="Kosmos 1402">Kosmos 1402</a></li> <li><a href="/w/index.php?title=Kosmos_1607&action=edit&redlink=1" class="new" title="Kosmos 1607 (page does not exist)">Kosmos 1607</a></li> <li><a href="/w/index.php?title=Kosmos_1670&action=edit&redlink=1" class="new" title="Kosmos 1670 (page does not exist)">Kosmos 1670</a></li> <li><a href="/w/index.php?title=Kosmos_1677&action=edit&redlink=1" class="new" title="Kosmos 1677 (page does not exist)">Kosmos 1677</a></li> <li><a href="/w/index.php?title=Kosmos_1682&action=edit&redlink=1" class="new" title="Kosmos 1682 (page does not exist)">Kosmos 1682</a></li> <li><a href="/w/index.php?title=Kosmos_1736&action=edit&redlink=1" class="new" title="Kosmos 1736 (page does not exist)">Kosmos 1736</a></li> <li><a href="/w/index.php?title=Kosmos_1771&action=edit&redlink=1" class="new" title="Kosmos 1771 (page does not exist)">Kosmos 1771</a></li> <li><a class="mw-selflink selflink">Kosmos 1818</a></li> <li><a href="/w/index.php?title=Kosmos_1860&action=edit&redlink=1" class="new" title="Kosmos 1860 (page does not exist)">Kosmos 1860</a></li> <li><a href="/wiki/Kosmos_1867" title="Kosmos 1867">Kosmos 1867</a></li> <li><a href="/w/index.php?title=Kosmos_1900&action=edit&redlink=1" class="new" title="Kosmos 1900 (page does not exist)">Kosmos 1900</a></li> <li><a href="/w/index.php?title=Kosmos_1932&action=edit&redlink=1" class="new" title="Kosmos 1932 (page does not exist)">Kosmos 1932</a></li> <li><a href="/wiki/Lincoln_Experimental_Satellite" title="Lincoln Experimental Satellite">LES-8</a></li> <li><a href="/wiki/Lincoln_Experimental_Satellite" title="Lincoln Experimental Satellite">LES-9</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Re-entered</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Kosmos_954" title="Kosmos 954">Kosmos 954</a></li> <li><a href="/wiki/Kosmos_1402" title="Kosmos 1402">Kosmos 1402</a></li> <li><a href="/wiki/Nimbus-B" class="mw-redirect" title="Nimbus-B">Nimbus-B</a></li> <li><a href="/wiki/Nimbus_3" title="Nimbus 3">Nimbus 3</a></li> <li>Transit 5BN-3</li> <li>1973 Launch failure</li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="background-color:#DCDCDC;color:inherit;"><div><i>See also <a href="/wiki/Category:Nuclear_power_in_space" title="Category:Nuclear power in space">Category:Nuclear power in space</a></i></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="←_1986Orbital_launches_in_19871988_→" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Orbital_launches_in_1987" title="Template:Orbital launches in 1987"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Orbital_launches_in_1987" title="Template talk:Orbital launches in 1987"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Orbital_launches_in_1987" title="Special:EditPage/Template:Orbital launches in 1987"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="←_1986Orbital_launches_in_19871988_→" style="font-size:114%;margin:0 4em"><div style="float: left;"><a href="/wiki/1986_in_spaceflight" title="1986 in spaceflight">← 1986</a></div><a href="/wiki/1987_in_spaceflight" title="1987 in spaceflight"><span class="vevent"><span class="summary">Orbital launches in <span class="dtstart">1987</span></span></span></a><div style="float: right;"><a href="/wiki/1988_in_spaceflight" title="1988 in spaceflight">1988 →</a></div></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">January</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Meteor-2_No.17&action=edit&redlink=1" class="new" title="Meteor-2 No.17 (page does not exist)">Meteor-2 No.17</a></li> <li><a href="/w/index.php?title=Kosmos_1811&action=edit&redlink=1" class="new" title="Kosmos 1811 (page does not exist)">Kosmos 1811</a></li> <li><a href="/w/index.php?title=Kosmos_1812&action=edit&redlink=1" class="new" title="Kosmos 1812 (page does not exist)">Kosmos 1812</a></li> <li><a href="/w/index.php?title=Kosmos_1813&action=edit&redlink=1" class="new" title="Kosmos 1813 (page does not exist)">Kosmos 1813</a></li> <li><a href="/wiki/Progress_27" title="Progress 27">Progress 27</a></li> <li><a href="/w/index.php?title=Kosmos_1814&action=edit&redlink=1" class="new" title="Kosmos 1814 (page does not exist)">Kosmos 1814</a></li> <li><a href="/w/index.php?title=Kosmos_1815&action=edit&redlink=1" class="new" title="Kosmos 1815 (page does not exist)">Kosmos 1815</a></li> <li><a href="/w/index.php?title=Molniya-3_No.42&action=edit&redlink=1" class="new" title="Molniya-3 No.42 (page does not exist)">Molniya-3 No.42</a></li> <li><a href="/w/index.php?title=Kosmos_1816&action=edit&redlink=1" class="new" title="Kosmos 1816 (page does not exist)">Kosmos 1816</a></li> <li><a href="/w/index.php?title=Kosmos_1817&action=edit&redlink=1" class="new" title="Kosmos 1817 (page does not exist)">Kosmos 1817</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">February</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a class="mw-selflink selflink">Kosmos 1818</a></li> <li><a href="/wiki/Ginga_(satellite)" title="Ginga (satellite)">Ginga</a></li> <li><u><a href="/wiki/Soyuz_TM-2" title="Soyuz TM-2">Soyuz TM-2</a></u></li> <li><a href="/w/index.php?title=Kosmos_1819&action=edit&redlink=1" class="new" title="Kosmos 1819 (page does not exist)">Kosmos 1819</a></li> <li><a href="/w/index.php?title=USA-21&action=edit&redlink=1" class="new" title="USA-21 (page does not exist)">USA-21</a></li> <li><a href="/w/index.php?title=Kosmos_1820&action=edit&redlink=1" class="new" title="Kosmos 1820 (page does not exist)">Kosmos 1820</a></li> <li><a href="/w/index.php?title=Kosmos_1821&action=edit&redlink=1" class="new" title="Kosmos 1821 (page does not exist)">Kosmos 1821</a></li> <li><a href="/w/index.php?title=Momo_1&action=edit&redlink=1" class="new" title="Momo 1 (page does not exist)">Momo 1</a></li> <li><a href="/w/index.php?title=Kosmos_1822&action=edit&redlink=1" class="new" title="Kosmos 1822 (page does not exist)">Kosmos 1822</a></li> <li><a href="/w/index.php?title=Kosmos_1823&action=edit&redlink=1" class="new" title="Kosmos 1823 (page does not exist)">Kosmos 1823</a></li> <li><a href="/w/index.php?title=Kosmos_1824&action=edit&redlink=1" class="new" title="Kosmos 1824 (page does not exist)">Kosmos 1824</a></li> <li><a href="/wiki/GOES_7" title="GOES 7">GOES 7</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">March</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Progress_28" title="Progress 28">Progress 28</a></li> <li><a href="/w/index.php?title=Kosmos_1825&action=edit&redlink=1" class="new" title="Kosmos 1825 (page does not exist)">Kosmos 1825</a></li> <li><a href="/w/index.php?title=Kosmos_1826&action=edit&redlink=1" class="new" title="Kosmos 1826 (page does not exist)">Kosmos 1826</a></li> <li><a href="/w/index.php?title=Kosmos_1827&action=edit&redlink=1" class="new" title="Kosmos 1827 (page does not exist)">Kosmos 1827</a>, <a href="/w/index.php?title=Kosmos_1828&action=edit&redlink=1" class="new" title="Kosmos 1828 (page does not exist)">Kosmos 1828</a>, <a href="/w/index.php?title=Kosmos_1829&action=edit&redlink=1" class="new" title="Kosmos 1829 (page does not exist)">Kosmos 1829</a>, <a href="/w/index.php?title=Kosmos_1830&action=edit&redlink=1" class="new" title="Kosmos 1830 (page does not exist)">Kosmos 1830</a>, <a href="/w/index.php?title=Kosmos_1831&action=edit&redlink=1" class="new" title="Kosmos 1831 (page does not exist)">Kosmos 1831</a>, <a href="/w/index.php?title=Kosmos_1832&action=edit&redlink=1" class="new" title="Kosmos 1832 (page does not exist)">Kosmos 1832</a></li> <li><a href="/w/index.php?title=Kosmos_1833&action=edit&redlink=1" class="new" title="Kosmos 1833 (page does not exist)">Kosmos 1833</a></li> <li><a href="/w/index.php?title=Gran%27_No.31L&action=edit&redlink=1" class="new" title="Gran' No.31L (page does not exist)">Gran' No.31L</a></li> <li><a href="/wiki/Palapa_B2P" class="mw-redirect" title="Palapa B2P">Palapa B2P</a></li> <li><i><a href="/w/index.php?title=SROSS-A&action=edit&redlink=1" class="new" title="SROSS-A (page does not exist)">SROSS-A</a></i></li> <li><i><a href="/w/index.php?title=FLTSATCOM-6&action=edit&redlink=1" class="new" title="FLTSATCOM-6 (page does not exist)">FLTSATCOM-6</a></i></li> <li><a href="/wiki/Kvant-1" title="Kvant-1">Kvant-1</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">April</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Kosmos_1834&action=edit&redlink=1" class="new" title="Kosmos 1834 (page does not exist)">Kosmos 1834</a></li> <li><a href="/w/index.php?title=Kosmos_1835&action=edit&redlink=1" class="new" title="Kosmos 1835 (page does not exist)">Kosmos 1835</a></li> <li><a href="/w/index.php?title=Kosmos_1836&action=edit&redlink=1" class="new" title="Kosmos 1836 (page does not exist)">Kosmos 1836</a></li> <li><a href="/wiki/Progress_29" title="Progress 29">Progress 29</a></li> <li><a href="/w/index.php?title=Kosmos_1837&action=edit&redlink=1" class="new" title="Kosmos 1837 (page does not exist)">Kosmos 1837</a></li> <li><a href="/w/index.php?title=Kosmos_1838&action=edit&redlink=1" class="new" title="Kosmos 1838 (page does not exist)">Kosmos 1838</a>, <a href="/w/index.php?title=Kosmos_1839&action=edit&redlink=1" class="new" title="Kosmos 1839 (page does not exist)">Kosmos 1839</a>, <a href="/w/index.php?title=Kosmos_1840&action=edit&redlink=1" class="new" title="Kosmos 1840 (page does not exist)">Kosmos 1840</a></li> <li><a href="/w/index.php?title=Kosmos_1841&action=edit&redlink=1" class="new" title="Kosmos 1841 (page does not exist)">Kosmos 1841</a></li> <li><a href="/w/index.php?title=Kosmos_1842&action=edit&redlink=1" class="new" title="Kosmos 1842 (page does not exist)">Kosmos 1842</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">May</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Kosmos_1843&action=edit&redlink=1" class="new" title="Kosmos 1843 (page does not exist)">Kosmos 1843</a></li> <li><a href="/w/index.php?title=Gorizont_No.23L&action=edit&redlink=1" class="new" title="Gorizont No.23L (page does not exist)">Gorizont No.23L</a></li> <li><a href="/w/index.php?title=Kosmos_1844&action=edit&redlink=1" class="new" title="Kosmos 1844 (page does not exist)">Kosmos 1844</a></li> <li><a href="/w/index.php?title=Kosmos_1845&action=edit&redlink=1" class="new" title="Kosmos 1845 (page does not exist)">Kosmos 1845</a></li> <li><a href="/w/index.php?title=USA-22&action=edit&redlink=1" class="new" title="USA-22 (page does not exist)">USA-22</a>, <a href="/w/index.php?title=Living_Plume_Shield_3&action=edit&redlink=1" class="new" title="Living Plume Shield 3 (page does not exist)">LIPS-3</a>, <a href="/w/index.php?title=USA-23&action=edit&redlink=1" class="new" title="USA-23 (page does not exist)">USA-23</a>, <a href="/w/index.php?title=USA-24&action=edit&redlink=1" class="new" title="USA-24 (page does not exist)">USA-24</a>, <a href="/w/index.php?title=USA-25&action=edit&redlink=1" class="new" title="USA-25 (page does not exist)">USA-25</a></li> <li><i><a href="/wiki/Polyus_(spacecraft)" title="Polyus (spacecraft)">Polyus</a></i></li> <li><a href="/wiki/Progress_30" title="Progress 30">Progress 30</a></li> <li><a href="/w/index.php?title=Kosmos_1846&action=edit&redlink=1" class="new" title="Kosmos 1846 (page does not exist)">Kosmos 1846</a></li> <li><a href="/w/index.php?title=Kosmos_1847&action=edit&redlink=1" class="new" title="Kosmos 1847 (page does not exist)">Kosmos 1847</a></li> <li><a href="/w/index.php?title=Kosmos_1848&action=edit&redlink=1" class="new" title="Kosmos 1848 (page does not exist)">Kosmos 1848</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">June</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Kosmos_1849" title="Kosmos 1849">Kosmos 1849</a></li> <li><a href="/w/index.php?title=Kosmos_1850&action=edit&redlink=1" class="new" title="Kosmos 1850 (page does not exist)">Kosmos 1850</a></li> <li><a href="/wiki/Kosmos_1851" title="Kosmos 1851">Kosmos 1851</a></li> <li><a href="/w/index.php?title=Kosmos_1852&action=edit&redlink=1" class="new" title="Kosmos 1852 (page does not exist)">Kosmos 1852</a>, <a href="/w/index.php?title=Kosmos_1853&action=edit&redlink=1" class="new" title="Kosmos 1853 (page does not exist)">Kosmos 1853</a>, <a href="/w/index.php?title=Kosmos_1854&action=edit&redlink=1" class="new" title="Kosmos 1854 (page does not exist)">Kosmos 1854</a>, <a href="/w/index.php?title=Kosmos_1855&action=edit&redlink=1" class="new" title="Kosmos 1855 (page does not exist)">Kosmos 1855</a>, <a href="/w/index.php?title=Kosmos_1856&action=edit&redlink=1" class="new" title="Kosmos 1856 (page does not exist)">Kosmos 1856</a>, <a href="/w/index.php?title=Kosmos_1857&action=edit&redlink=1" class="new" title="Kosmos 1857 (page does not exist)">Kosmos 1857</a>, <a href="/w/index.php?title=Kosmos_1858&action=edit&redlink=1" class="new" title="Kosmos 1858 (page does not exist)">Kosmos 1858</a>, <a href="/w/index.php?title=Kosmos_1859&action=edit&redlink=1" class="new" title="Kosmos 1859 (page does not exist)">Kosmos 1859</a></li> <li><i><a href="/w/index.php?title=Resurs-F1_No.105&action=edit&redlink=1" class="new" title="Resurs-F1 No.105 (page does not exist)">Resurs-F1 No.105</a></i></li> <li><a href="/w/index.php?title=Kosmos_1860&action=edit&redlink=1" class="new" title="Kosmos 1860 (page does not exist)">Kosmos 1860</a></li> <li><a href="/w/index.php?title=USA-26&action=edit&redlink=1" class="new" title="USA-26 (page does not exist)">USA-26</a></li> <li><a href="/w/index.php?title=Kosmos_1861&action=edit&redlink=1" class="new" title="Kosmos 1861 (page does not exist)">Kosmos 1861</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">July</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Kosmos_1862&action=edit&redlink=1" class="new" title="Kosmos 1862 (page does not exist)">Kosmos 1862</a></li> <li><a href="/w/index.php?title=Kosmos_1863&action=edit&redlink=1" class="new" title="Kosmos 1863 (page does not exist)">Kosmos 1863</a></li> <li><a href="/w/index.php?title=Kosmos_1864&action=edit&redlink=1" class="new" title="Kosmos 1864 (page does not exist)">Kosmos 1864</a></li> <li><a href="/w/index.php?title=Kosmos_1865&action=edit&redlink=1" class="new" title="Kosmos 1865 (page does not exist)">Kosmos 1865</a></li> <li><a href="/w/index.php?title=Kosmos_1866&action=edit&redlink=1" class="new" title="Kosmos 1866 (page does not exist)">Kosmos 1866</a></li> <li><a href="/wiki/Kosmos_1867" title="Kosmos 1867">Kosmos 1867</a></li> <li><a href="/w/index.php?title=Kosmos_1868&action=edit&redlink=1" class="new" title="Kosmos 1868 (page does not exist)">Kosmos 1868</a></li> <li><a href="/w/index.php?title=Kosmos_1869&action=edit&redlink=1" class="new" title="Kosmos 1869 (page does not exist)">Kosmos 1869</a></li> <li><u><a href="/wiki/Soyuz_TM-3" title="Soyuz TM-3">Soyuz TM-3</a></u></li> <li><a href="/w/index.php?title=Kosmos_1870&action=edit&redlink=1" class="new" title="Kosmos 1870 (page does not exist)">Kosmos 1870</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">August</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Kosmos_1871&action=edit&redlink=1" class="new" title="Kosmos 1871 (page does not exist)">Kosmos 1871</a></li> <li><a href="/wiki/Progress_31" title="Progress 31">Progress 31</a></li> <li><a href="/w/index.php?title=Fanhui_Shi_Weixing_10&action=edit&redlink=1" class="new" title="Fanhui Shi Weixing 10 (page does not exist)">Fanhui Shi Weixing 10</a></li> <li><a href="/w/index.php?title=Meteor-2_No.21&action=edit&redlink=1" class="new" title="Meteor-2 No.21 (page does not exist)">Meteor-2 No.21</a></li> <li><a href="/w/index.php?title=Kosmos_1872&action=edit&redlink=1" class="new" title="Kosmos 1872 (page does not exist)">Kosmos 1872</a></li> <li><a href="/w/index.php?title=Kiku_No.5&action=edit&redlink=1" class="new" title="Kiku No.5 (page does not exist)">Kiku No.5</a></li> <li><a href="/w/index.php?title=Kosmos_1873&action=edit&redlink=1" class="new" title="Kosmos 1873 (page does not exist)">Kosmos 1873</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">September</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Kosmos_1874&action=edit&redlink=1" class="new" title="Kosmos 1874 (page does not exist)">Kosmos 1874</a></li> <li><a href="/w/index.php?title=Ekran_No.29L&action=edit&redlink=1" class="new" title="Ekran No.29L (page does not exist)">Ekran No.29L</a></li> <li><a href="/w/index.php?title=Kosmos_1875&action=edit&redlink=1" class="new" title="Kosmos 1875 (page does not exist)">Kosmos 1875</a>, <a href="/w/index.php?title=Kosmos_1876&action=edit&redlink=1" class="new" title="Kosmos 1876 (page does not exist)">Kosmos 1876</a>, <a href="/w/index.php?title=Kosmos_1877&action=edit&redlink=1" class="new" title="Kosmos 1877 (page does not exist)">Kosmos 1877</a>, <a href="/w/index.php?title=Kosmos_1878&action=edit&redlink=1" class="new" title="Kosmos 1878 (page does not exist)">Kosmos 1878</a>, <a href="/w/index.php?title=Kosmos_1879&action=edit&redlink=1" class="new" title="Kosmos 1879 (page does not exist)">Kosmos 1879</a>, <a href="/w/index.php?title=Kosmos_1880&action=edit&redlink=1" class="new" title="Kosmos 1880 (page does not exist)">Kosmos 1880</a></li> <li><a href="/w/index.php?title=Fanhui_Shi_Weixing_I-01&action=edit&redlink=1" class="new" title="Fanhui Shi Weixing I-01 (page does not exist)">Fanhui Shi Weixing I-01</a></li> <li><a href="/w/index.php?title=Kosmos_1881&action=edit&redlink=1" class="new" title="Kosmos 1881 (page does not exist)">Kosmos 1881</a></li> <li><a href="/w/index.php?title=Kosmos_1882&action=edit&redlink=1" class="new" title="Kosmos 1882 (page does not exist)">Kosmos 1882</a></li> <li><a href="/wiki/Optus_A3" class="mw-redirect" title="Optus A3">Aussat A3</a>, <a href="/wiki/Eutelsat_I_F-4" title="Eutelsat I F-4">ECS-4</a></li> <li><a href="/w/index.php?title=Kosmos_1883&action=edit&redlink=1" class="new" title="Kosmos 1883 (page does not exist)">Kosmos 1883</a>, <a href="/w/index.php?title=Kosmos_1884&action=edit&redlink=1" class="new" title="Kosmos 1884 (page does not exist)">Kosmos 1884</a>, <a href="/w/index.php?title=Kosmos_1885&action=edit&redlink=1" class="new" title="Kosmos 1885 (page does not exist)">Kosmos 1885</a></li> <li><a href="/w/index.php?title=Transit-O_27&action=edit&redlink=1" class="new" title="Transit-O 27 (page does not exist)">Transit-O 27</a>, <a href="/w/index.php?title=Transit-O_29&action=edit&redlink=1" class="new" title="Transit-O 29 (page does not exist)">Transit-O 29</a></li> <li><a href="/w/index.php?title=Kosmos_1886&action=edit&redlink=1" class="new" title="Kosmos 1886 (page does not exist)">Kosmos 1886</a></li> <li><a href="/wiki/Progress_32" title="Progress 32">Progress 32</a></li> <li><a href="/wiki/Kosmos_1887" title="Kosmos 1887">Kosmos 1887</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">October</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Kosmos_1888&action=edit&redlink=1" class="new" title="Kosmos 1888 (page does not exist)">Kosmos 1888</a></li> <li><a href="/w/index.php?title=Kosmos_1889&action=edit&redlink=1" class="new" title="Kosmos 1889 (page does not exist)">Kosmos 1889</a></li> <li><a href="/w/index.php?title=Kosmos_1890&action=edit&redlink=1" class="new" title="Kosmos 1890 (page does not exist)">Kosmos 1890</a></li> <li><a href="/w/index.php?title=Kosmos_1891&action=edit&redlink=1" class="new" title="Kosmos 1891 (page does not exist)">Kosmos 1891</a></li> <li><a href="/w/index.php?title=Kosmos_1892&action=edit&redlink=1" class="new" title="Kosmos 1892 (page does not exist)">Kosmos 1892</a></li> <li><a href="/w/index.php?title=Kosmos_1893&action=edit&redlink=1" class="new" title="Kosmos 1893 (page does not exist)">Kosmos 1893</a></li> <li><a href="/w/index.php?title=USA-27&action=edit&redlink=1" class="new" title="USA-27 (page does not exist)">USA-27</a></li> <li><a href="/wiki/Kosmos_1894" title="Kosmos 1894">Kosmos 1894</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">November</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Kosmos_1895&action=edit&redlink=1" class="new" title="Kosmos 1895 (page does not exist)">Kosmos 1895</a></li> <li><a href="/w/index.php?title=Kosmos_1896&action=edit&redlink=1" class="new" title="Kosmos 1896 (page does not exist)">Kosmos 1896</a></li> <li><a href="/wiki/Progress_33" title="Progress 33">Progress 33</a></li> <li><a href="/wiki/TV-SAT_1" title="TV-SAT 1">TV-SAT 1</a></li> <li><a href="/w/index.php?title=Kosmos_1897&action=edit&redlink=1" class="new" title="Kosmos 1897 (page does not exist)">Kosmos 1897</a></li> <li><a href="/w/index.php?title=USA-28&action=edit&redlink=1" class="new" title="USA-28 (page does not exist)">USA-28</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">December</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Kosmos_1898&action=edit&redlink=1" class="new" title="Kosmos 1898 (page does not exist)">Kosmos 1898</a></li> <li><a href="/w/index.php?title=Kosmos_1899&action=edit&redlink=1" class="new" title="Kosmos 1899 (page does not exist)">Kosmos 1899</a></li> <li><a href="/w/index.php?title=Gran%27_No.32L&action=edit&redlink=1" class="new" title="Gran' No.32L (page does not exist)">Gran' No.32L</a></li> <li><a href="/w/index.php?title=Kosmos_1900&action=edit&redlink=1" class="new" title="Kosmos 1900 (page does not exist)">Kosmos 1900</a></li> <li><a href="/w/index.php?title=Kosmos_1901&action=edit&redlink=1" class="new" title="Kosmos 1901 (page does not exist)">Kosmos 1901</a></li> <li><a href="/w/index.php?title=Kosmos_1902&action=edit&redlink=1" class="new" title="Kosmos 1902 (page does not exist)">Kosmos 1902</a></li> <li><u><a href="/wiki/Soyuz_TM-4" title="Soyuz TM-4">Soyuz TM-4</a></u></li> <li><a href="/wiki/Kosmos_1903" title="Kosmos 1903">Kosmos 1903</a></li> <li><a href="/w/index.php?title=Kosmos_1904&action=edit&redlink=1" class="new" title="Kosmos 1904 (page does not exist)">Kosmos 1904</a></li> <li><a href="/w/index.php?title=Kosmos_1905&action=edit&redlink=1" class="new" title="Kosmos 1905 (page does not exist)">Kosmos 1905</a></li> <li><a href="/w/index.php?title=Kosmos_1906&action=edit&redlink=1" class="new" title="Kosmos 1906 (page does not exist)">Kosmos 1906</a></li> <li><a href="/w/index.php?title=Ekran-M_No.13L&action=edit&redlink=1" class="new" title="Ekran-M No.13L (page does not exist)">Ekran-M No.13L</a></li> <li><a href="/w/index.php?title=Kosmos_1907&action=edit&redlink=1" class="new" title="Kosmos 1907 (page does not exist)">Kosmos 1907</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div>Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ).<br /><u>Crewed flights</u> are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).</div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Kosmos_1818&oldid=1238409941">https://en.wikipedia.org/w/index.php?title=Kosmos_1818&oldid=1238409941</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Reconnaissance_satellites_of_the_Soviet_Union" title="Category:Reconnaissance satellites of the Soviet Union">Reconnaissance satellites of the Soviet Union</a></li><li><a href="/wiki/Category:Kosmos_satellites" title="Category:Kosmos satellites">Kosmos satellites</a></li><li><a href="/wiki/Category:Nuclear_power_in_space" title="Category:Nuclear power in space">Nuclear power in space</a></li><li><a href="/wiki/Category:1987_in_the_Soviet_Union" title="Category:1987 in the Soviet Union">1987 in the Soviet Union</a></li><li><a href="/wiki/Category:Spacecraft_launched_in_1987" title="Category:Spacecraft launched in 1987">Spacecraft launched in 1987</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_matches_Wikidata" title="Category:Short description matches Wikidata">Short description matches Wikidata</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 3 August 2024, at 18:52<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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