| Name of Satellite, Alternate Names | Meridian-4 |
| Country of Operator/Owner | Russia |
| Operator/Owner | Military Space Forces (VKS) |
| Users | Military |
| Purpose | Communications |
| Class of Orbit | Elliptical |
| Type of Orbit | Molniya |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 964 |
| Apogee (km) | 39396 |
| Eccentricity | 0.72376647834275 |
| Inclination (degrees) | 62.8 |
| Period (minutes) | 717.88 |
| Launch Mass (kg.) | 2500 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 04-05-2011 |
| Expected Lifetime | |
| Contractor | PO Polyot |
| Country of Contractor | Russia |
| Launch Site | Plesetsk Cosmodrome |
| Launch Vehicle | Soyuz 2-1a |
| COSPAR Number | 2011-018A |
| NORAD Number | 37398 |
| Comments | Military communications - designed to replace Molniya and Parus spacecraft; this is the fourth of the series. |