Spacecraft information: COSMOS 1998
| Launched | 9 February 1989 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 19789 |
| COSPAR ID | 1989-009E |
| Observing |
Current orbital elements
| Inclination | 82.614° |
| Eccentricity | 0.00156 |
| RA ascending node | 20.862 hr |
| Argument perigee | 210.808° |
| Mean anomaly | 149.210° |
| Orbital period | 113.840 min |
| Epoch of osculation | 16 Jul 2026, 06:14 |
Derived Quantities
| Min Altitude | 1397.6 km |
| Mean Altitude | 1409.8 km |
| Peak Altitude | 1421.9 km |
Orbital History
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