| Name of Satellite, Alternate Names | TDRS-8 (Tracking and Data Relay Satellite, TDRS-H) |
| Country of Operator/Owner | USA |
| Operator/Owner | National Aeronautics and Space Administration (NASA) |
| Users | Government |
| Purpose | Communications |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 88.76 |
| Perigee (km) | 35768 |
| Apogee (km) | 35808 |
| Eccentricity | 0.000474405806727074 |
| Inclination (degrees) | 0.9 |
| Period (minutes) | 1436.2 |
| Launch Mass (kg.) | 3180 |
| Dry Mass (kg.) | 1600 |
| Power (watts) | 2,300 (EOL) |
| Date of Launch | 30-06-2000 |
| Expected Lifetime | 11 yrs. |
| Contractor | Boeing Satellite Systems |
| Country of Contractor | USA |
| Launch Site | Cape Canaveral |
| Launch Vehicle | Atlas 2A |
| COSPAR Number | 2000-034A |
| NORAD Number | 26388 |
| Comments | Tracking and communications with space shuttle, other missions; not fully functional. |