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Kosmos 665

Soviet military early warning satellite

Field	Value
name	Kosmos 665
mission_type	Early warning
COSPAR_ID	1974-050A
SATCAT	7352
mission_duration	4 years
spacecraft_type	US-K
launch_mass	1900 kg
launch_date	UTC
launch_rocket	Molniya-M/2BL
launch_site	Plesetsk Cosmodrome
deactivated	7 September 1975
decay_date
orbit_reference	Geocentric
orbit_regime	Molniya
orbit_periapsis	659 km
orbit_apoapsis	39689 km
orbit_inclination	62.7 degrees
orbit_period	717.66 minutes
apsis	gee

Kosmos 665 ( meaning Cosmos 665) was a Soviet US-K missile early warning satellite which was launched in 1974 as part of the Soviet military's Oko programme. The satellite was designed to identify missile launches using optical telescopes and infrared sensors.

Kosmos 665 was launched from Site 41/1 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 15:59 UTC on 29 June 1974. The launch successfully placed the satellite into a molniya orbit. It subsequently received its Kosmos designation, and the international designator 1974-050A. The United States Space Command assigned it the Satellite Catalog Number 7352.

It re-entered the Earth's atmosphere on 6 July 1990.

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=15 March 2012

References

(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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