USA-251
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.jpg) Launch of GPS-IIF 05 | |
| Mission type | Navigation |
|---|---|
| Operator | US Air Force |
| COSPAR ID | 2014-026A[1] |
| SATCAT no. | 39741[1] |
| Mission duration | 12 years (planned) |
| Spacecraft properties | |
| Spacecraft | GPS SVN-67 (IIF-6) |
| Spacecraft type | GPS Block IIF |
| Manufacturer | Boeing |
| Launch mass | 1,630 kilograms (3,590 lb)[2] |
| Start of mission | |
| Launch date | 17 May 2014, 00:03 UTC |
| Rocket | Delta IV-M+(4,2), (D-365)[3] |
| Launch site | Cape Canaveral SLC-37B[3] |
| Contractor | ULA |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Medium Earth (Semi-synchronous) |
| Perigee altitude | 20,443 km (12,703 mi)[4] |
| Apogee altitude | 20,474 km (12,722 mi)[4] |
| Inclination | 55.04 degrees[4] |
| Period | 729.22 minutes[4] |
| Epoch | 17 May 2014 |
USA-251, also known as GPS IIF-6, GPS SVN-67 and NAVSTAR 70, is an American navigation satellite which forms part of the Global Positioning System. It was the sixth of twelve Block IIF satellites to be launched.[2]
