GPS BIIF-4, GPS 2F-4, SVN 66, PRN 27, SLOT C2 - Norad ID: 39166
| Spacetrack Directory Name | NAVSTAR 68 (USA 242) |
| Alternative name | GPS BIIF-4, GPS 2F-4, SVN 66, PRN 27, SLOT C2 |
| Group | GPS |
| Follow NAVSTAR 68 (USA 242) | NAVSTAR 68 (USA 242) Tracker |
| Group follow GPS | Tracker GPS |
| Pass predictions NAVSTAR 68 (USA 242) | Pass predictions NAVSTAR 68 (USA 242) |
| Orbit launches |
|
| Days in orbit | 4728 |
| Country/organisation of origin | USA (US) |
| Starting point | AFETR (Kennedy Space Center/Cape Canaveral, USA) |
| Categories | |
| Perigee | 19953 km |
| Apogee | 20411 km |
| Orbit slope (inclination) | 54.55° |
| Laps per day | 2 |
| Orbit | MEO (Non-Polar Inclined) |
| Height NAVSTAR 68 (USA 242) | 20191.76 km |