Soyuz-U2 No. 010 Blok-I - Norad ID: 16646
| Spacetrack Directory Name | SL-4 R/B |
| Alternative name | Soyuz-U2 No. 010 Blok-I |
| Orbit launches |
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| Deorbitation date |
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| Days in orbit | 3 |
| Country/organisation of origin | Commonwealth of Independent States (former USSR) (CIS) |
| Starting point | TYMSC (Baikonur Cosmodrome, Kazakhstan) |
| Type | Rocket body |
SL-4 R/B, 16646 was space debris originally from a launch on Wed, 19 Mar 1986 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). 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.