Norad ID: 21940
| Spacetrack Directory Name | INMARSAT 2-F4 |
| Orbit launches |
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| Deorbitation |
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| Country/organisation of origin | International Mobile Satellite Organization (INMARSAT) (IM) |
| Starting point | FRGUI (Guiana Space Centre, French Guiana) |
| Perigee | 36436 km |
| Apogee | 36468 km |
INMARSAT 2-F4, 21940 is a payload satellite owned by INMARSAT (UK) in GEO that was launched on Wed, 15 Apr 1992 UTC via an ARIANE 44L launch vehicle from the French Guiana (FRGUI). 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 INMARSAT 2-F4 Date of exalting 15.04.1992y.