Spacecraft information: COSMOS 2143 DEB
| Launched | 15 May 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 57721 |
| COSPAR ID | 1991-033J |
| Observing |
Current orbital elements
| Inclination | 82.138° |
| Eccentricity | 0.00293 |
| RA ascending node | 16.839 hr |
| Argument perigee | 56.470° |
| Mean anomaly | 303.919° |
| Orbital period | 112.994 min |
| Epoch of osculation | 16 Jun 2026, 12:47 |
Derived Quantities
| Min Altitude | 1348.5 km |
| Mean Altitude | 1371.2 km |
| Peak Altitude | 1393.9 km |
Orbital History
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