Norad ID: 21099
| Nazwa w katalogu Spacetrack | COSMOS 2121 DEB |
| Wyniesienie na orbitę |
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| Data deorbitacji |
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| Dni na orbicie | 25 |
| Kraj/organizacja pochodzenia | Commonwealth of Independent States (former USSR) (CIS) |
| Miejsce startu | PLMSC (Plesetsk Missile and Space Complex, Russia) |
COSMOS 2121 DEB, 21099 was space debris originally from a launch on Thu, 17 Jan 1991 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.