AMSAT-OSCAR 21, AO-21 - Norad ID: 21087
| Nazwa w katalogu Spacetrack | INFORMATOR 1 & RS-14 |
| Alternatywna nazwa | AMSAT-OSCAR 21, AO-21 |
| Wyniesienie na orbitę |
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| Deorbitacja |
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| Kraj/organizacja pochodzenia | Commonwealth of Independent States (former USSR) (CIS) |
| Miejsce startu | PLMSC (Plesetsk Missile and Space Complex, Russia) |
| Perygeum | 954 km |
| Apogeum | 1007 km |
INFORMATOR 1, 21087 is a payload satellite owned by MGON (CIS) in LEO that was launched on Tue, 29 Jan 1991 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.
Satelitę INFORMATOR 1 & RS-14 wyniesiono 29.01.1991r.