Prosteyshiy Sputnik 1 (PS-1) - Norad ID: 2
| Spacetrack Directory Name | SPUTNIK 1 |
| Alternative name | Prosteyshiy Sputnik 1 (PS-1) |
| Orbit launches |
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| Deorbitation date |
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| Days in orbit | 91 |
| Country/organisation of origin | Commonwealth of Independent States (former USSR) (CIS) |
| Starting point | TYMSC (Baikonur Cosmodrome, Kazakhstan) |
SPUTNIK 1, 2 was a payload satellite owned by OKB-1 (CIS) that was launched on Fri, 04 Oct 1957 UTC via an SPUTNIK 8K71PS launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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.