| Prime contractor | Hughes |
| Platform | HS-601 |
| Mass at launch | 2950 kg |
| Mass in orbit |
BOL:
1700 kg EOL: 1320 kg |
| Dimension | 2.7 x 3.6 x 3.1 m |
| Solar array | 26.2 m span |
| Stabilization | 3-axis |
| DC power |
BOL:
5400 W EOL: 4500 W |
| Design lifetime | 15 years except 9.5 years for the 3R |