Navstar 81
-GPS Satellite
Navstar 81, 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 81 |
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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 | June 17, 2021 |
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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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| Launch Mass | 4332 Kg |
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| Orbit | Medium Earth Orbit |
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| Apogee Altitude | 20,216 Km (12,562 mi) |
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| Perigee Altitude | 20,163 Km (12,529 mi) |
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| Satellite Block | GPS Block III |
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| Period | 718.0 minutes |
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| Pseudo Random Noise Code | 11 |
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| Inclination Angle | 55.3 Deg |
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| COSPAR ID | 2021-054A |
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| SATCAT Number | 48859 |
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| Other Names | 48859, USA 319 |
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| Status | Operational |
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