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COSMOS 2135
Launch Details
| Launched | 25 February 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21130 |
| COSPAR ID | 1991-013A |
| Observing |
Current orbital elements
| Inclination | 82.825° |
| Eccentricity | 0.00645 |
| RA ascending node | 4.334 hr |
| Argument perigee | 251.810° |
| Mean anomaly | 107.602° |
| Orbital period | 104.441 min |
| Epoch of osculation | 15 Sep 2025, 04:41 |
Derived Quantities
| Min Altitude | 928.0 km |
| Mean Altitude | 975.4 km |
| Peak Altitude | 1022.8 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.
Launched alongside
SL-8 R/B