Norad ID: 45043
| Spacetrack Directory Name | STPSAT-4 |
| Orbit launches |
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| Deorbitation date |
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| Days in orbit | 8719 |
| Country/organisation of origin | USA (US) |
| Starting point | TYMSC (Baikonur Cosmodrome, Kazakhstan) |
| Perigee | 388 km |
| Apogee | 394 km |
STPSAT-4, 45043 was a payload satellite owned by USAF STP (US) that was delivered to the ISS. 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.