| Names | Navstar 2-05 GPS II-5 GPS SVN-17 |
|---|---|
| Mission type | Navigation |
| Operator | U.S. Air Force |
| COSPAR ID | 1989-097A |
| SATCAT no. | 20361 |
| Mission duration | 7.5 years (planned) 15 years (achieved) |
| Spacecraft properties | |
| Spacecraft | GPS II |
| Spacecraft type | GPS Block II[1] |
| Manufacturer | Rockwell International |
| Launch mass | 840 kg (1,850 lb) [2] |
| Dimensions | 5.3 m (17 ft) of long |
| Power | 710 watts |
| Start of mission | |
| Launch date | 11 December 1989, 18:10:01 UTC |
| Rocket | Delta II 6925-9.5 (Delta D190) [3] |
| Launch site | Cape Canaveral, LC-17B |
| Contractor | McDonnell Douglas |
| Entered service | January 1990 |
| End of mission | |
| Deactivated | 23 February 2005 |
| Orbital parameters | |
| Reference system | Geocentric orbit[4] |
| Regime | Medium Earth orbit (Semi-synchronous) |
| Slot | D3 (slot 3 plane D) |
| Perigee altitude | 20,009 km (12,433 mi) |
| Apogee altitude | 20,357 km (12,649 mi) |
| Inclination | 54.9° |
| Period | 718.0 minutes |
USA-49, also known as GPS II-5 and GPS SVN-17, was an American navigation satellite which formed part of the Global Positioning System. It was the fifth of nine Block II GPS satellites to be launched, which were the first operational GPS satellites to fly.
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