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Spacecraft information: COSMOS 1577
Launch Details
| Launched | 26 June 1984 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15077 |
| COSPAR ID | 1984-067A |
| Observing |
Current orbital elements
| Inclination | 82.953° |
| Eccentricity | 0.00344 |
| RA ascending node | 18.623 hr |
| Argument perigee | 272.391° |
| Mean anomaly | 154.049° |
| Orbital period | 104.676 min |
| Epoch of osculation | 10 Mar 2026, 12:25 |
Derived Quantities
| Min Altitude | 961.1 km |
| Mean Altitude | 986.4 km |
| Peak Altitude | 1011.7 km |
Launched alongside
SL-8 R/BOrbital History
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