Spacecraft information: COSMOS 663 DEB
| Launched | 26 June 1974 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 53881 |
| COSPAR ID | 1974-048D |
| Observing |
Current orbital elements
| Inclination | 82.948° |
| Eccentricity | 0.00261 |
| RA ascending node | 15.964 hr |
| Argument perigee | 133.668° |
| Mean anomaly | 226.664° |
| Orbital period | 104.555 min |
| Epoch of osculation | 20 Mar 2026, 04:09 |
Derived Quantities
| Min Altitude | 961.6 km |
| Mean Altitude | 980.8 km |
| Peak Altitude | 1000.0 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.