| Name of Satellite, Alternate Names | Navstar GPS IIF-4 (Navstar SVN 66, USA 242) |
| 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) | 20184 |
| Apogee (km) | 20247 |
| Eccentricity | 0.00118485640668786 |
| Inclination (degrees) | 55.09 |
| Period (minutes) | 719.32 |
| Launch Mass (kg.) | 1630 |
| Dry Mass (kg.) | |
| Power (watts) | 1136 |
| Date of Launch | 15-05-2013 |
| Expected Lifetime | 10 yrs. |
| Contractor | Boeing Satellite Systems |
| Country of Contractor | USA |
| Launch Site | Cape Canaveral |
| Launch Vehicle | Atlas 5 |
| COSPAR Number | 2013-023A |
| NORAD Number | 39166 |
| Comments |