Kosmos 1818
Illustration of Kosmos 1818 | |
| Mission type | Radar ocean surveillance |
|---|---|
| COSPAR ID | 1987-011A |
| SATCAT no. | 17369 |
| Mission duration | ~ 5 to 6 months |
| Spacecraft properties | |
| Spacecraft type | Plazma-A |
| Launch mass | 1,500 kilograms (3,307 lb) |
| Start of mission | |
| Launch date | February 1, 1987, 23:31:00 UTC |
| Rocket | Tsyklon-2 |
| Launch site | Baikonur 90 |
| Orbital parameters | |
| Reference system | Geocentric |
| Eccentricity | 0.0016868 |
| Perigee altitude | 775 kilometres (482 mi) |
| Apogee altitude | 799 kilometres (496 mi) |
| Inclination | 65.01 degrees |
| Period | 100.61 minutes |
| Epoch | April 15, 2014 UTC 00:20:33.89 |
Kosmos 1818 was a nuclear powered Soviet surveillance satellite in the RORSAT program, which monitored NATO vessels using radar. Kosmos 1818 was the first satellite to use the TOPAZ-1 fission reactor. In July 2008, the satellite was damaged, and leaked a trail of sodium coolant.