USA-256
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 A Block IIF GPS satellite | |
| Mission type | Navigation |
|---|---|
| Operator | US Air Force |
| COSPAR ID | 2014-045A[1] |
| SATCAT no. | 40105[1] |
| Mission duration | 12 years (planned) |
| Spacecraft properties | |
| Spacecraft | GPS SVN-68 (IIF-7) |
| Spacecraft type | GPS Block IIF |
| Manufacturer | Boeing |
| Launch mass | 1,630 kilograms (3,590 lb)[2] |
| Start of mission | |
| Launch date | 2 August 2014, 03:23 UTC |
| Rocket | Atlas V 401, AV-048[3] |
| Launch site | Cape Canaveral SLC-41[3] |
| Contractor | ULA |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Medium Earth (Semi-synchronous) |
| Perigee altitude | 20,341 km (12,639 mi)[4] |
| Apogee altitude | 20,469 km (12,719 mi)[4] |
| Inclination | 55.02 degrees[4] |
| Period | 727.05 minutes[4] |
| Epoch | 2 August 2014 |
USA-256, also known as GPS IIF-7, GPS SVN-68 and NAVSTAR 71, is an American navigation satellite which forms part of the Global Positioning System. It was the seventh of twelve Block IIF satellites to be launched.[2]
