| Name of Satellite, Alternate Names | THEMIS D (Time History of Events and Macroscale Interactions during Substorms) |
| Country of Operator/Owner | Multinational |
| Operator/Owner | NASA/University of California, Berkeley (in partnership with Germany, France, Austria, Canada) |
| Users | Government/Civil |
| Purpose | Space Physics |
| Class of Orbit | Elliptical |
| Type of Orbit | |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 467 |
| Apogee (km) | 87260 |
| Eccentricity | 0.863895607512915 |
| Inclination (degrees) | 15.7 |
| Period (minutes) | 1867.91 |
| Launch Mass (kg.) | 126 |
| Dry Mass (kg.) | 77 |
| Power (watts) | 40 |
| Date of Launch | 17-02-2007 |
| Expected Lifetime | 2 yrs. |
| Contractor | Swales Aerospace |
| Country of Contractor | USA |
| Launch Site | Cape Canaveral |
| Launch Vehicle | Delta 2 |
| COSPAR Number | 2007-004D |
| NORAD Number | 30797 |
| Comments | Five phase mission to study Earth´s auroras; mission extended to 2012. Themis B and C retasked as Artemis mission to L1 and L2. |