| Name of Satellite, Alternate Names | Rodnik (Cosmos 2451, Strela 3M) |
| Country of Operator/Owner | Russia |
| Operator/Owner | Russian Defense Ministry |
| Users | Military |
| Purpose | Communications |
| Class of Orbit | LEO |
| Type of Orbit | Intermediate |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 1498 |
| Apogee (km) | 1509 |
| Eccentricity | 0.000698545754746936 |
| Inclination (degrees) | 82.5 |
| Period (minutes) | 116 |
| Launch Mass (kg.) | 280 |
| Dry Mass (kg.) | |
| Power (watts) | 300 |
| Date of Launch | 06-07-2009 |
| Expected Lifetime | 5 yrs. |
| Contractor | OAO ISS |
| Country of Contractor | Russia |
| Launch Site | Plesetsk Cosmodrome |
| Launch Vehicle | Rokot |
| COSPAR Number | 2009-036A |
| NORAD Number | 35498 |
| Comments |