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INFORMATOR 1 & RS-14
Launch Details
| Launched | 28 January 1991 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21087 |
| COSPAR ID | 1991-006A |
| Alternative names |
AMSAT-OSCAR 21 AO-21 |
| Observing |
Current orbital elements
| Inclination | 82.943° |
| Eccentricity | 0.00360 |
| RA ascending node | 1.819 hr |
| Argument perigee | 141.460° |
| Mean anomaly | 233.466° |
| Orbital period | 104.690 min |
| Epoch of osculation | 28 Jun 2025, 14:02 |