Norad ID: 5814
| Spacetrack Directory Name | HEOS-A2 |
| Orbit launches |
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| Deorbitation date |
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| Days in orbit | 946 |
| Country/organisation of origin | European Space Research Organization (ESRO) |
| Starting point | AFWTR (Vandenberg Air Force Base, USA) |
HEOS 2, 5814 was a payload satellite owned by ESRO (EU) that was launched on Mon, 31 Jan 1972 UTC via a THOR DELTA L 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.