| Name of the satellite | Hawkeye 1 |
|---|---|
| Other name(s) | Explorer 52 Injun-F 07325 |
| COSPAR designation | 74-040A |
| Project(s) Manager(s) of the satellite | John E. Rogers Claude W. Coffee, Jr. |
| Institute of the project(s) manager(s) | ????? ????? |
| Country or Space Agency | USA |
| Link(s) to Web site(s) | http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1974-040A
http://nssdc.gsfc.nasa.gov/hawkeye/hawkeye.html |
| Launch date (dd-mm-yyyy) | 03-06-1974 |
| Termination date (dd-mm-yyyy) | 28-04-1978 |
| Lifetime of the satellite (month) | 47 |
| Type of the orbits | HEO |
| (Initial) Perigee (km) | 469 |
| (Initial) Apogee (km / Re) | 125570 / 19.7 |
| Orbital period (min / hour) | 3032.4 / 50.5 |
| Spin rate (rpm) | 6 |
| Eccentricity | 0.90127 |
| Inclination (°) | 89.8 |
| Observed regions | The high latitude polar regions (cusp, auroral zone, mantle, bow shock and magnetopause) of the Earth's magnetosphere |
| Observed waves | Auroral kilometric radiation, very low frequency plasma waves, type III radio bursts, non-thermal continuum radiation |
| Name of the first experiment | Triaxial Fluxgate Magnetometer |
| Name of the second experiment | ELF/VLF Receivers |