Spacecraft information: RADUGA 18
| Launched | 16 January 1986 |
| 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 | 16497 |
| COSPAR ID | 1986-007A |
| Observing |
Current orbital elements
| Inclination | 10.473° |
| Eccentricity | 0.00703 |
| RA ascending node | 21.402 hr |
| Argument perigee | 202.673° |
| Mean anomaly | 154.391° |
| Orbital period | 1457.285 min |
| Epoch of osculation | 16 Jul 2026, 04:33 |
Derived Quantities
| Min Altitude | 35908.0 km |
| Mean Altitude | 36207.4 km |
| Peak Altitude | 36506.9 km |
Orbital History
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