| Official name | COSMOS 1809 |
| Alternative name | Cosmos-1809 |
| Cospar ID | 1986-101A |
| Norad ID | 17241 |
| Launch date | 1986-12-18 |
| Launch site | PKMTR |
| Launch vehicle | Tsiklon-3 |
| Country/Organization | USSR |
| Type application | Science |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 104.01 |
| Inclination (deg) | 82.53 |
| Perigee (km) | 937 |
| Apogee (km) | 960 |
| Eccentricity | 0.0121244069583553 |
| Mean motion (revs. per day) | 13.8448226132103 |
| Semi-Major axis (km) | 7326.635 |
| Raan (deg) | 229.1471 |
| Arg of perigee (deg) | 163.5177 |
| Shape | Cyl + 2 Pan |
| Mass (kg) | 693.76 |
| Diameter (m) | 1.5 |
| Height (m) | 2.5 |
| Span (m^2) | 23 |
| Lifetime | 6 months |
| Contractors | Yuzhnoye |
| Configuration | AUOS-Z |
| Power | 8 deployable fixed solar arrays, solar cells, batteries |
| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|---|
| COSMOS 1809 | 1986-101A | 1986-12-18 | PKMTR | Tsiklon-3 |
