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Kosmos 1687

Russian military early warning satellite

Field	Value
name	Kosmos 1687
mission_type	Early warning
COSPAR_ID	1985-088A
SATCAT	16103
mission_duration	4 years
spacecraft_type	US-K
launch_mass	1900 kg
launch_date	UTC
launch_rocket	Molniya-M/2BL
launch_site	Plesetsk Cosmodrome
decay_date
orbit_reference	Geocentric
orbit_regime	Molniya
orbit_periapsis	640 km
orbit_apoapsis	39712 km
orbit_inclination	62.9 degrees
orbit_period	717.72 minutes
apsis	gee

Kosmos 1687 ( meaning Cosmos 1687) is a Soviet US-K missile early warning satellite which was launched in 1985 as part of the Soviet military's Oko programme. The satellite is designed to identify missile launches using optical telescopes and infrared sensors.

Kosmos 1687 was launched from Site 16/2 at Plesetsk Cosmodrome in the Russian SSR. A Molniya-M carrier rocket with a 2BL upper stage was used to perform the launch, which took place at 19:23 UTC on 30 September 1985. The launch successfully placed the satellite into a molniya orbit. It subsequently received its Kosmos designation, and the international designator 1985-088A. The United States Space Command assigned it the Satellite Catalog Number 16103.

References

|url-status=dead |archive-url=https://web.archive.org/web/20120315024323/http://iis-db.stanford.edu/pubs/20734/Podvig-S%26GS.pdf |archive-date=2012-03-15

References

(2012-04-20). "Cosmos 1687". National Space Science Data Centre.
(2012-03-08). "US-K (73D6)". Gunter's Space Page.
McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page.
McDowell, Jonathan. "Launch Log". Jonathan's Space Page.

Info: Wikipedia Source

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kosmos-satellites 1985-in-spaceflight oko spacecraft-launched-by-molniya-m-rockets spacecraft-launched-in-1985

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