| Name of the satellite | HEOS 1 |
|---|---|
| Other name(s) | HEOS-A1 03595 |
| COSPAR designation | 68-109A |
| Project(s) Manager(s) of the satellite | J. Vandenkerckhove |
| Institute of the project(s) manager(s) | ESA-ESTEC |
| Country or Space Agency | ESA |
| Link(s) to Web site(s) | http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1968-109A |
| Launch date (dd-mm-yyyy) | 05-12-1968 |
| Termination date (dd-mm-yyyy) | 28-10-1975 |
| Lifetime of the satellite (month) | 83 |
| Type of the orbits | HEO |
| (Initial) Perigee (km) | 6804 |
| (Initial) Apogee (km / Re) | 227099 / 35.6 |
| Orbital period (min / hour) | 6690 / 111.5 |
| Spin rate (rpm) | ????? |
| Eccentricity | 0.89308 |
| Inclination (°) | 28.1 |
| Observed regions | Interplanetary magnetic fields, cosmic rays, the solar wind, and the magnetosheath |
| Observed waves | ***** |
| Name of the experiment | Fluxgate Magnetometer |