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Spacecraft information: SL-12 R/B(2)
Launch Details
| Launched | 3 April 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21221 |
| COSPAR ID | 1991-025E |
| Observing |
Current orbital elements
| Inclination | 64.359° |
| Eccentricity | 0.00152 |
| RA ascending node | 20.311 hr |
| Argument perigee | 212.407° |
| Mean anomaly | 145.222° |
| Orbital period | 675.523 min |
| Epoch of osculation | 29 May 2026, 03:36 |
Derived Quantities
| Min Altitude | 19093.0 km |
| Mean Altitude | 19131.8 km |
| Peak Altitude | 19170.5 km |
Launched alongside
COSMOS 2139 COSMOS 2140 COSMOS 2141 SL-12 R/B(1) SL-12 R/B SL-12 R/B SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEBOrbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.