Spacecraft information: COSMOS 981
| Launched | 9 January 1978 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10588 |
| COSPAR ID | 1978-005F |
| Observing |
Current orbital elements
| Inclination | 74.030° |
| Eccentricity | 0.00199 |
| RA ascending node | 5.402 hr |
| Argument perigee | 85.834° |
| Mean anomaly | 73.710° |
| Orbital period | 115.526 min |
| Epoch of osculation | 21 Jul 2026, 03:50 |
Derived Quantities
| Min Altitude | 1470.8 km |
| Mean Altitude | 1486.4 km |
| Peak Altitude | 1502.1 km |
Launched alongside
COSMOS 975 COSMOS 976 SL-3 R/B COSMOS 977 COSMOS 978 COSMOS 979 COSMOS 980 COSMOS 982 COSMOS 983 SL-8 R/BOrbital History
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