Spacecraft information: COSMOS 1521
| Launched | 28 December 1983 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 14592 |
| COSPAR ID | 1983-127C |
| Alternative names |
GLONASS GLONASS-GVM 4 |
| Observing |
Current orbital elements
| Inclination | 66.348° |
| Eccentricity | 0.00625 |
| RA ascending node | 21.909 hr |
| Argument perigee | 191.356° |
| Mean anomaly | 355.848° |
| Orbital period | 673.410 min |
| Epoch of osculation | 20 Feb 2026, 17:40 |
Derived Quantities
| Min Altitude | 18919.5 km |
| Mean Altitude | 19078.5 km |
| Peak Altitude | 19237.5 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.