| Name of Satellite, Alternate Names | Interstellar Boundary EXplorer (IBEX) |
| Country of Operator/Owner | USA |
| Operator/Owner | NASA/Goddard Space Flight Center |
| Users | Government |
| Purpose | Space Physics |
| Class of Orbit | Elliptical |
| Type of Orbit | Deep Highly Eccentric |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 7000 |
| Apogee (km) | 320000 |
| Eccentricity | 0.921292753281922 |
| Inclination (degrees) | 11 |
| Period (minutes) | 8 days |
| Launch Mass (kg.) | 462 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 19-10-2008 |
| Expected Lifetime | |
| Contractor | Orbital Sciences Corp. |
| Country of Contractor | USA |
| Launch Site | Kwajalein Island |
| Launch Vehicle | Pegasus XL |
| COSPAR Number | 2008-051A |
| NORAD Number | 33401 |
| Comments | Monitor the boundary between heliosphere and interstellar medium. |