Norad ID: 5557
| Spacetrack Directory Name | OPS 4311 (DMSP 5B F1) |
| Follow OPS 4311 (DMSP 5B F1) | OPS 4311 (DMSP 5B F1) Tracker |
| Pass predictions OPS 4311 (DMSP 5B F1) | Pass predictions OPS 4311 (DMSP 5B F1) |
| Orbit launches |
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| Days in orbit | 20046 |
| Country/organisation of origin | USA (US) |
| Starting point | AFWTR (Vandenberg Air Force Base, USA) |
| Perigee | 765 km |
| Apogee | 837 km |
| Orbit slope (inclination) | 99.02° |
| Laps per day | 14 |
| Height OPS 4311 (DMSP 5B F1) | 808.56 km |
OPS 4311 (DMSP 5B F1), 5557 is a payload satellite owned by SAMSO (US) in SSO that was launched on Thu, 14 Oct 1971 UTC via a THOR BURNER 2A launch vehicle from the Air Force Western Test Range (AFWTR). 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.
satellite OPS 4311 (DMSP 5B F1) Date of exalting 14.10.1971y. Average height of ISS OPS 4311 (DMSP 5B F1) hundred 808.56 km. Average velocity OPS 4311 (DMSP 5B F1) is 26822.25 km/h. Inclination OPS 4311 (DMSP 5B F1) satellite 99.02°.