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COSMOS 2139
Launch Details
| Launched | 3 April 1991 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21216 |
| COSPAR ID | 1991-025A |
| Alternative names |
GLONASS GLONASS 42 GN 750 |
| Observing |
Current orbital elements
| Inclination | 64.542° |
| Eccentricity | 0.00176 |
| RA ascending node | 20.939 hr |
| Argument perigee | 222.333° |
| Mean anomaly | 137.599° |
| Orbital period | 675.720 min |
| Epoch of osculation | 14 Sep 2025, 00:48 |
Derived Quantities
| Min Altitude | 19091.7 km |
| Mean Altitude | 19136.7 km |
| Peak Altitude | 19181.7 km |
Orbital History
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Launched alongside
COSMOS 2140 COSMOS 2141 SL-12 R/B(1) SL-12 R/B SL-12 R/B(2) 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 DEB