Kosmos 1851
Kosmos 1851
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| Mission type | Early warning |
|---|---|
| COSPAR ID | 1987-050A |
| SATCAT no. | 18103 |
| Mission duration | 4 years [1] |
| Spacecraft properties | |
| Spacecraft type | US-K [2] |
| Launch mass | 1,900 kilograms (4,200 lb)[3] |
| Start of mission | |
| Launch date | 12 June 1987, 07:40 (1987-06-12UTC07:40Z) UTC |
| Rocket | Molniya-M/2BL[2] |
| Launch site | Plesetsk Cosmodrome[2][3] |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Molniya [2] |
| Perigee | 620 kilometres (390 mi)[4] |
| Apogee | 39,738 kilometres (24,692 mi)[4] |
| Inclination | 62.8 degrees[4] |
| Period | 717.84 minutes[4] |
Kosmos 1851 (Russian: Космос 1851 meaning Cosmos 1851) is a Soviet US-K missile early warning satellite which was launched in 1987 as part of the Soviet military's Oko programme. The satellite is designed to identify missile launches using optical telescopes and infrared sensors.[2]
Kosmos 1851 was launched from Site 43/4 at Plesetsk Cosmodrome in the Russian SSR.[5] A Molniya-M carrier rocket with a 2BL upper stage was used to perform the launch, which took place at 07:40 UTC on 12 June 1987.[3] The launch successfully placed the satellite into a molniya orbit. It subsequently received its Kosmos designation, and the international designator 1987-050A.[3] The United States Space Command assigned it the Satellite Catalog Number 18103.[3]
See also[edit]
- List of Kosmos satellites (1751–2000)
- List of R-7 launches (1985–1989)
- 1987 in spaceflight
- List of Oko satellites
References[edit]
^
Podvig, Pavel (2002). "History and the Current Status of the Russian Early-Warning System" (PDF). Science and Global Security. 10: 21–60. doi:10.1080/08929880212328. ISSN 0892-9882. Archived from the original (pdf) on 2012-03-15..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
^ abcde "US-K (73D6)". Gunter's Space Page. 2012-03-08. Retrieved 2012-04-21.
^ abcde "Cosmos 1851". National Space Science Data Centre. 2012-04-20. Retrieved 2012-04-25.
^ abcd McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 30 April 2012.
^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 2 May 2012.
Categories:
- Kosmos satellites
- 1987 in spaceflight
- Oko
- Spacecraft launched by Molniya-M rockets
- Spacecraft launched in 1987
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