Spacecraft information: COSMOS 911
| Launched | 24 May 1977 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10019 |
| COSPAR ID | 1977-039A |
| Observing |
Current orbital elements
| Inclination | 82.948° |
| Eccentricity | 0.00259 |
| RA ascending node | 17.414 hr |
| Argument perigee | 92.033° |
| Mean anomaly | 29.773° |
| Orbital period | 104.696 min |
| Epoch of osculation | 31 Dec 2025, 06:19 |
Derived Quantities
| Min Altitude | 968.3 km |
| Mean Altitude | 987.3 km |
| Peak Altitude | 1006.4 km |
Launched alongside
SL-8 R/BOrbital History
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