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COSMOS 1884
Launch Details
| Launched | 15 September 1987 |
| 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 | 18356 |
| COSPAR ID | 1987-079B |
| Alternative names |
GLONASS GLONASS 21 |
| Observing |
Current orbital elements
| Inclination | 65.775° |
| Eccentricity | 0.00202 |
| RA ascending node | 21.937 hr |
| Argument perigee | 207.273° |
| Mean anomaly | 159.157° |
| Orbital period | 675.730 min |
| Epoch of osculation | 24 Aug 2025, 06:34 |
Derived Quantities
| Min Altitude | 19085.5 km |
| Mean Altitude | 19137.0 km |
| Peak Altitude | 19188.4 km |
Orbital History
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Launched alongside
COSMOS 1883 COSMOS 1885 SL-12 PLAT SL-12 R/B(1) SL-12 R/B(2) 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 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