Norad Identifikationsnummer: 6206
| Name im Katalog Spacetrack | COSMOS 521 |
| In die Umlaufbahn bringen |
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| Deorbitation |
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| Herkunftsland/-organisation | Commonwealth of Independent States (former USSR) (CIS) |
| Wir analysieren den polnischen Text, der 'Miejsce startu' lautet. | PLMSC (Plesetsk Missile and Space Complex, Russia) |
| WWW | hier |
| Perygeum | 977 km |
| Apogäum | 1005 km |
COSMOS 521, 6206 is a payload satellite owned by PKO (CIS) in LEO that was launched on Fri, 29 Sep 1972 UTC via a KOSMOS 11K65M launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
der Satellit COSMOS 521 hinausgetragen 29.09.1972r.