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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 | 74.032° |
| Eccentricity | 0.00451 |
| RA ascending node | 12.438 hr |
| Argument perigee | 310.721° |
| Mean anomaly | 121.979° |
| Orbital period | 114.465 min |
| Epoch of osculation | 26 Dec 2025, 15:04 |
Derived Quantities
| Min Altitude | 1403.0 km |
| Mean Altitude | 1438.2 km |
| Peak Altitude | 1473.4 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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