| Name of the satellite | IMP-H |
|---|---|
| Other name(s) | Explorer 47 IMP 7 02884 |
| COSPAR designation | 72-073A |
| Project(s) Manager(s) of the satellite | William R. Limberis |
| Institute of the project(s) manager(s) | NASA-GSFC |
| Country or Space Agency | USA |
| Link(s) to Web site(s) | http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1972-073A |
| Launch date (dd-mm-yyyy) | 23-09-1972 |
| Termination date (dd-mm-yyyy) | 31-10-1978 |
| Lifetime of the satellite (month) | 73 |
| Type of the orbits | VHO |
| (Initial) Perigee (km) | 201599 |
| (Initial) Apogee (km / Re) | 235639 / 37 |
| Orbital period (min / hour) | 17702 / 295 |
| Spin rate (rpm) | 45 |
| Eccentricity | 0.07564 |
| Inclination (°) | 17.2 |
| Observed regions | Magnetotail regions from a nearly circular orbit, near 37 earth radii |
| Observed waves | ***** |
| Name of the first experiment | Magnetic Fields Experiment |
| Name of the second experiment | Plasma Wave |