Navstar 8 was developed by the US Department of Defense to provide all-weather round-the-clock navigation capabilities for military ground, sea, and air forces. The first eleven spacecraft (GPS Block 1) were used to demonstrate the feasibility of the GPS system.
Satellite Information |
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| Name | Navstar 8 |
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| Organization | GPS |
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| Country | United States |
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| Continent | United States |
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| Manufacturer | Rockwell Automation |
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| Type | Satellite |
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| Launch Date | July 14, 1983 |
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| Launch Site | Vandenberg AFB, United States |
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| Launch Vehicle | Atlas F |
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| Mission Duration | 5 years (planned) |
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| Satellite Mass | 163 Kg |
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| Launch Mass | 758 Kg (1671 Lb) |
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| Orbit | Medium Earth Orbit |
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| Apogee Altitude | 20,446 Km |
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| Perigee Altitude | 19,917 Km |
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| Satellite Block | GPS Block I |
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| Nominal Power | 400 W |
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| Period | 718.00 minutes |
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| Pseudo Random Noise Code | 11 |
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| Inclination Angle | 62.80 Deg |
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| COSPAR ID | 1983-072A |
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| SATCAT Number | 14189 |
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| Dimension | 5.3 m (across with solar panels deployed) |
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| Other Names | 14189, GPS 1-8 |
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| Status | Retired |
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