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Kosmos 380
Mission type	ABM radar target
COSPAR ID	1970-100A
SATCAT no.	04762
Spacecraft properties
Spacecraft type	DS-P1-Yu
Manufacturer	Yuzhnoye
Launch mass	250 kilograms (550 lb)
Start of mission
Launch date	24 November 1970, 10:59:56 UTC
Rocket	Kosmos-2I 63SM
Launch site	Plesetsk 133/1
End of mission
Decay date	17 June 1971
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	197 kilometres (122 mi)
Apogee altitude	1,374 kilometres (854 mi)
Inclination	81.9 degrees
Period	100.6 minutes

Kosmos 380 (Russian: Космос 380 meaning Cosmos 380), known before launch as DS-P1-Yu No.26, was a Soviet satellite which was launched in 1970 as part of the Dnepropetrovsk Sputnik programme. It was a 250-kilogram (550 lb) spacecraft, which was built by the Yuzhnoye Design Bureau, and was used as a radar calibration target for anti-ballistic missile tests.^[1]

Launch

Kosmos 380 was successfully launched into low Earth orbit on 24 November 1970, with the rocket lifting off at 10:59:56 UTC.^[2] The launch took place from Site 133/1 at the Plesetsk Cosmodrome,^[3] and used a Kosmos-2I 63SM carrier rocket. Upon reaching orbit, it was assigned its Kosmos designation, and received the International Designator 1970-100A.^[4]

Orbit

Kosmos 380 was the thirty-seventh of seventy nine DS-P1-Yu satellites to be launched,^[1] and the thirty-fourth of seventy two to successfully reach orbit.^[5] It was operated in an orbit with a perigee of 197 kilometres (122 mi), an apogee of 1,374 kilometres (854 mi), 81.9 degrees of inclination, and an orbital period of 100.6 minutes.^[1]^[6] It remained in orbit until it decayed and reentered the atmosphere on 17 June 1971.^[6]

References

^ ^a ^b ^c Wade, Mark. "DS-P1-Yu". Encyclopedia Astronautica. Archived from the original on 2 June 2012. Retrieved 15 August 2009.
^ Wade, Mark. "Kosmos 2". Encyclopedia Astronautica. Archived from the original on 18 June 2012. Retrieved 15 August 2009.
^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 15 August 2009.
^ "Cosmos 380". NSSDC Master Catalog. US National Space Science Data Center. Retrieved 15 August 2009.
^ Krebs, Gunter. "DS-P1-Yu (11F618)". Gunter's Space Page. Retrieved 15 August 2009.
^ ^a ^b McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 15 August 2009.