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Spacecraft information: COSMOS 677
Launch Details
| Launched | 18 September 1974 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 7435 |
| COSPAR ID | 1974-072A |
| Observing |
Current orbital elements
| Inclination | 74.036° |
| Eccentricity | 0.00443 |
| RA ascending node | 21.374 hr |
| Argument perigee | 55.187° |
| Mean anomaly | 116.855° |
| Orbital period | 114.465 min |
| Epoch of osculation | 12 Jun 2026, 04:34 |
Derived Quantities
| Min Altitude | 1403.6 km |
| Mean Altitude | 1438.2 km |
| Peak Altitude | 1472.9 km |
Launched alongside
COSMOS 678 COSMOS 679 COSMOS 680 COSMOS 681 COSMOS 682 COSMOS 683 COSMOS 684 SL-8 R/BOrbital History
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