Norad ID: 10818
| Spacetrack Directory Name | HCMM |
| Orbit launches |
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| Deorbitation date |
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| Days in orbit | 1336 |
| Country/organisation of origin | USA (US) |
| Starting point | AFWTR (Vandenberg Air Force Base, USA) |
HCMM, 10818 was a payload satellite owned by GSFC (US) that was launched on Wed, 26 Apr 1978 UTC via an SCOUT D-1 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.