Spacecraft information: COSMOS 2142
| Launched | 15 April 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21230 |
| COSPAR ID | 1991-029A |
| Observing |
Current orbital elements
| Inclination | 82.953° |
| Eccentricity | 0.00391 |
| RA ascending node | 19.655 hr |
| Argument perigee | 60.530° |
| Mean anomaly | 113.457° |
| Orbital period | 104.851 min |
| Epoch of osculation | 02 Apr 2026, 06:49 |
Derived Quantities
| Min Altitude | 965.8 km |
| Mean Altitude | 994.6 km |
| Peak Altitude | 1023.4 km |
Launched alongside
SL-8 R/BOrbital History
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