Spacecraft information: COSMOS 1581
| Launched | 2 July 1984 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15095 |
| COSPAR ID | 1984-071A |
| Observing |
Current orbital elements
| Inclination | 67.288° |
| Eccentricity | 0.66928 |
| RA ascending node | 1.737 hr |
| Argument perigee | 3.978° |
| Mean anomaly | 359.233° |
| Orbital period | 720.982 min |
| Epoch of osculation | 10 Mar 2026, 05:57 |
Derived Quantities
| Min Altitude | 2437.4 km |
| Mean Altitude | 20263.4 km |
| Peak Altitude | 38089.4 km |
Orbital History
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