Kosmos 426
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| Mission type | Magnetospheric |
|---|---|
| COSPAR ID | 1971-052A |
| SATCAT no. | 05281 |
| Spacecraft properties | |
| Spacecraft type | DS-U2-K |
| Manufacturer | Yuzhnoye |
| Launch mass | 680 kilograms (1,500 lb)[1] |
| Start of mission | |
| Launch date | 4 June 1971, 18:10:00 UTC |
| Rocket | Kosmos-3M |
| Launch site | Plesetsk 132/2 |
| End of mission | |
| Decay date | 11 May 2002 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 388 kilometres (241 mi) |
| Apogee altitude | 1,993 kilometres (1,238 mi) |
| Inclination | 74 degrees |
| Period | 109.2 minutes |
Kosmos 426 (Russian: Космос 426 meaning Cosmos 426), also known as DS-U2-K No.1, was a Soviet satellite which was launched in 1971 as part of the Dnepropetrovsk Sputnik programme. It was a 680-kilogram (1,500 lb) spacecraft,[1] which was built by the Yuzhnoye Design Bureau, and was used to study charged particles and radiation in the Earth's magnetosphere.[1]
A Kosmos-3M carrier rocket, with serial number 65014-101, was used to launch Kosmos 426 into low Earth orbit.[2] The launch took place from Site 132/2 at the Plesetsk Cosmodrome.[2] The launch occurred at 18:10:00 UTC on 4 June 1971, and resulted in the successful insertion of the satellite into orbit.[3]
