Kosmos 381
Soviet research satellite (Ionosfernaya)
From Wikipedia, the free encyclopedia
Cosmos 381 (Russian: Космос 381) artificial satellite provided data on the physical characteristics of the layers of the Earth's Ionosphere using a Mayak radio transmitter. The study covered almost the entire global surface.[3]
| Mission type | Ionospheric science | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operator | Soviet space program | ||||||||||||
| COSPAR ID | 1970-102A | ||||||||||||
| SATCAT no. | 4783 | ||||||||||||
| Mission duration | 55 years, 7 months, 26 days (in orbit) | ||||||||||||
| Spacecraft properties | |||||||||||||
| Spacecraft type | Ionosfernaya | ||||||||||||
| Bus | KAUR-1[1] | ||||||||||||
| Manufacturer | OKB-10[2] | ||||||||||||
| Launch mass | 710 kg (1,570 lb)[1][2] | ||||||||||||
| Start of mission | |||||||||||||
| Launch date | December 2, 1970, 04:00 UTC | ||||||||||||
| Rocket | Kosmos-3M 11K65M | ||||||||||||
| Launch site | Plesetsk 132/2[1] | ||||||||||||
| End of mission | |||||||||||||
| Disposal | Decommissioned | ||||||||||||
| Last contact | January 1971[2] | ||||||||||||
| Decay date | ~3170[3] | ||||||||||||
| Orbital parameters | |||||||||||||
| Reference system | Geocentric[1] | ||||||||||||
| Regime | Low Earth orbit | ||||||||||||
| Perigee altitude | 961 km (597 mi) | ||||||||||||
| Apogee altitude | 1,007 km (626 mi) | ||||||||||||
| Inclination | 74° | ||||||||||||
| Period | 104.8 minutes | ||||||||||||
| |||||||||||||
Launch
The satellite was launched into a Low Earth Orbit by a Kosmos-3 rocket (11K65M) from the LC–132/2 starting point at Plesetsk Cosmodrome on the 2nd of December, 1970.[4]
Orbit
Orbit was 971km at periapsis and 1013km at apoapsis. Inclination 74 degrees. Decay into the Earth's atmosphere is expected after about 1,200 years.[3]
See also
External links
- Űrhajózási lexikon. Chief editor Iván Almár. Budapest: Akadémiai – Zrínyi. 1981. ISBN 963 05 2348 5
- Lib.Cas
