Navstar 55
-GPS Satellite
Navstar 55, also known as USA 178, and as GPS 2R-12, is an American navigational satellite in the GPS fleet that was launched from Cape Canaveral by a Delta 2 rocket on 23 June 2004. The 2.1 tonne satellite will soon be manuevered into Slot 4 in Plane F to replace the aging GPS 2A-16 that was launched in November 1992. (GPS 2A-16 will however be repositioned in the same Plane as a backup, till its failue.
Satellite Information |
|---|
| Name | Navstar 55 |
|---|
| Organization | GPS |
|---|
| Country | United States |
|---|
| Continent | United States |
|---|
| Manufacturer | Lockheed Martin |
|---|
| Type | Satellite |
|---|
| Launch Date | June 23, 2004 |
|---|
| Launch Site | Cape Canaveral, United States |
|---|
| Launch Vehicle | Delta II |
|---|
| Mission Duration | 10 years (planned) |
|---|
| Launch Mass | 2032 Kg (4480 Lb) |
|---|
| Orbit | Medium Earth Orbit |
|---|
| Apogee Altitude | 20,277 Km (12,600 mi) |
|---|
| Perigee Altitude | 20,089 Km (12,483 mi) |
|---|
| Satellite Block | GPS Block IIR |
|---|
| Period | 718 minutes |
|---|
| Pseudo Random Noise Code | 23 |
|---|
| Inclination Angle | 55 Deg |
|---|
| COSPAR ID | 2004-023A |
|---|
| SATCAT Number | 28361 |
|---|
| Other Names | 28361, USA 178, GPS 2R-12 |
|---|
| Status | Retired |
|---|
