| Name of Satellite, Alternate Names | Navstar GPS II-10 (Navstar SVN 23, PRN 32, USA 66) |
| Country of Operator/Owner | USA |
| Operator/Owner | DoD/US Air Force |
| Users | Military/Commercial |
| Purpose | Navigation/Global Positioning |
| Class of Orbit | MEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 19781 |
| Apogee (km) | 20582 |
| Eccentricity | 0.0150838935653353 |
| Inclination (degrees) | 55.78 |
| Period (minutes) | 717.94 |
| Launch Mass (kg.) | 1816 |
| Dry Mass (kg.) | 844 |
| Power (watts) | 700 |
| Date of Launch | 26-11-1990 |
| Expected Lifetime | 7.5 yrs. |
| Contractor | Rockwell International |
| Country of Contractor | USA |
| Launch Site | Cape Canaveral |
| Launch Vehicle | Delta 2 |
| COSPAR Number | 1990-103A |
| NORAD Number | 20959 |
| Comments | Currently unused although usable. |