| Prime contractor | Lockheed martin (former GE Astro Space) |
| Platform | |
| Mass at launch | 2615 kg |
| Mass in orbit | 1170 kg |
| Dimensions | 2.07 m x 1.93 m x 1.96 m (L x W x D) |
| Solar arrays | 11.4 m |
| Stabilization | 3-axis |
| DC power |
BOL:
1240 W EOL: 837 W three 35 AH NiCd batteries |
| Design lifetime | 10 years |
| Telemetry | S- and X-band |
| Beacon | 7600.0 & 7604.7 MHz |