| Name of Satellite, Alternate Names | Telstar 18 (Apstar 5) |
| Country of Operator/Owner | Multinational |
| Operator/Owner | Loral Skynet Satellite Services (Loral Global Alliance)/APT Satellite Holdings Ltd. |
| Users | Commercial |
| Purpose | Communications |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 138.04 |
| Perigee (km) | 35778 |
| Apogee (km) | 35795 |
| Eccentricity | 0.000201629641929477 |
| Inclination (degrees) | 0.01 |
| Period (minutes) | 1436.1 |
| Launch Mass (kg.) | 4640 |
| Dry Mass (kg.) | 2500 |
| Power (watts) | 16,000 (EOL) |
| Date of Launch | 29-06-2004 |
| Expected Lifetime | 13 yrs. |
| Contractor | Space Systems/Loral |
| Country of Contractor | USA |
| Launch Site | Sea Launch (Odyssey) |
| Launch Vehicle | Zenit 3SL |
| COSPAR Number | 2004-024A |
| NORAD Number | 28364 |
| Comments | 54 active transponders; one of the most powerful communications satellites built to date; coverage across East Asia and the Pacific Ocean |