Kosmos 1409
| Names | Космос 1409 |
|---|---|
| Mission type | Early warning system |
| Operator | Russian Strategic Nuclear Forces |
| COSPAR ID | 1982-095A |
| SATCAT no. | 13585 |
| Mission duration | 4 years (achieved) |
| Spacecraft properties | |
| Spacecraft type | Oko No. 6008 |
| Bus | US-K |
| Launch mass | 2,400 kg (5,300 lb) |
| Dry mass | 1,250 kg (2,760 lb) |
| Dimensions | 2 m (6 ft 7 in) long and 1.7 m (5 ft 7 in) diameter |
| Start of mission | |
| Launch date | 22 September 1982, 06:23:11 UTC |
| Rocket | Molniya-M / Blok 2BL |
| Launch site | Plesetsk, Site 16/2 |
| Contractor | TsSKB-Progress |
| Entered service | 22 September 1982 |
| End of mission | |
| Deactivated | 5 January 1987 |
| Decay date | 8 June 2009 |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Molniya orbit |
| Slot | 2 |
| Perigee altitude | 613 km (381 mi) |
| Apogee altitude | 39,340 km (24,440 mi) |
| Inclination | 62.80° |
| Period | 709.00 minutes |
| Instruments | |
| Telescope | |
Kosmos Series | |
Kosmos 1409 (Russian: Космос 1409 meaning Cosmos 1409) was a Soviet US-K missile early warning satellite which was launched in 1982 as part of the Soviet military's Oko programme. Kosmos 1409 replaced Kosmos 1217 as part of the Oko constellation of satellites and covered the plane 2 - 317° longitude of ascending node.