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Spacecraft information: COSMOS 2142
Launch Details
| 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 | 82.956° |
| Eccentricity | 0.00370 |
| RA ascending node | 0.167 hr |
| Argument perigee | 316.616° |
| Mean anomaly | 209.162° |
| Orbital period | 104.852 min |
| Epoch of osculation | 31 Dec 2025, 11:39 |
Derived Quantities
| Min Altitude | 967.4 km |
| Mean Altitude | 994.7 km |
| Peak Altitude | 1021.9 km |
Launched alongside
SL-8 R/BOrbital History
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