Navstar 77
-GPS Satellite
Navstar 77 or Navstar-3 (Navigation System using Timing And Ranging) are the first evolution stage of the third generation of the GPS satellites. This program will improve position, navigation, and timing services for the warfighter and civil users worldwide and provide advanced anti-jam capabilities yielding superior system security, accuracy and reliability.
Satellite Information |
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| Name | Navstar 77 |
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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 | Lockheed Martin |
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| Type | Satellite |
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| Launch Date | December 23, 2018 |
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| Launch Site | Cape Canaveral, United States |
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| Launch Vehicle | Falcon 9 |
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| Mission Duration | 15 years (planned) |
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| Satellite Mass | 4400 Kg |
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| Launch Mass | 4400 Kg |
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| Orbit | Medium Earth Orbit |
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| Apogee Altitude | 20,196 Km (12,549 mi) |
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| Perigee Altitude | 20,118 Km (12,501 mi) |
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| Satellite Block | GPS Block III |
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| Period | 716.7 minutes |
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| Pseudo Random Noise Code | 4 |
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| Inclination Angle | 55 Deg |
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| COSPAR ID | 2018-109A |
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| SATCAT Number | 43873 |
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| Other Names | 43873, USA 289 |
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| Status | Operational |
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