DSCS-2 B4 - Norad ID: 6974
| Spacetrack Directory Name | OPS 9434 (DSCS 2-4) |
| Alternative name | DSCS-2 B4 |
| Orbit launches |
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| Deorbitation |
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| Country/organisation of origin | USA (US) |
| Starting point | AFWTR (Vandenberg Air Force Base, USA) |
| Perigee | 36265 km |
| Apogee | 36888 km |
OPS 9434 (DSCS 2-4), 6974 is an American payload satellite in GEO that was launched on Thu, 13 Dec 1973 UTC via a TITAN IIIC launch vehicle from the Air Force Eastern Test Range (AFETR). 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 9434 (DSCS 2-4) Date of exalting 13.12.1973y.