| Name of Satellite, Alternate Names | Mercury 1 (Advanced Vortex 1, USA 105) |
| Country of Operator/Owner | USA |
| Operator/Owner | National Reconnaissance Office (NRO)/USAF |
| Users | Military |
| Purpose | Surveillance |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | -27.95 |
| Perigee (km) | 35598 |
| Apogee (km) | 35976 |
| Eccentricity | 0.00448324121735418 |
| Inclination (degrees) | 5.1 |
| Period (minutes) | 1436.13 |
| Launch Mass (kg.) | 8000 |
| Dry Mass (kg.) | 4000 |
| Power (watts) | |
| Date of Launch | 27-08-1994 |
| Expected Lifetime | |
| Contractor | Boeing Satellite Systems |
| Country of Contractor | USA |
| Launch Site | Cape Canaveral |
| Launch Vehicle | Titan IVA |
| COSPAR Number | 1994-054A |
| NORAD Number | 23223 |
| Comments | In the $1 billion range; ELINT; signals intelligence. |