| Name of the satellite | IMP-D |
|---|---|
| Other name(s) | Explorer 33 AIMP 1 Anchored IMP 1 02258 |
| COSPAR designation | 66-058A |
| Project(s) Manager(s) of the satellite | Paul G. Marcotte (retired) |
| 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=1966-058A |
| Launch date (dd-mm-yyyy) | 01-07-1966 |
| Termination date (dd-mm-yyyy) | 01-09-1971 |
| Lifetime of the satellite (month) | 58 |
| Type of the orbits | VHO |
| (Initial) Perigee (km) | 50000 |
| (Initial) Apogee (km / Re) | 437000 / 68.5 |
| Orbital period (min / hour) | 324.8 / 5.4 |
| Spin rate (rpm) | 26.5 |
| Eccentricity | 0.2833 |
| Inclination (°) | 40.9 |
| Observed regions | ????? |
| Observed waves | ***** |
| Name of the first experiment | GSFC Magnetometer |
| Name of the second experiment | Ames Magnetic Fields |