Spacecraft information: RADUGA 4
| Launched | 17 July 1978 |
| 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 | 10987 |
| COSPAR ID | 1978-073A |
| Observing |
Current orbital elements
| Inclination | 4.726° |
| Eccentricity | 0.00105 |
| RA ascending node | 18.553 hr |
| Argument perigee | 35.648° |
| Mean anomaly | 12.704° |
| Orbital period | 1437.182 min |
| Epoch of osculation | 10 Jul 2026, 20:51 |
Derived Quantities
| Min Altitude | 35770.9 km |
| Mean Altitude | 35815.0 km |
| Peak Altitude | 35859.1 km |
Orbital History
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