About NAVSTAR 81 (USA 319)
Group: 3 satellites
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Live Position
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Upcoming Passes
Altitude History
Altitude vs Time
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Two-Line Element Set
1 48859U 21054A 25251.32464957 -.00000075 00000-0 00000-0 0 9994
2 48859 55.2893 343.7869 0023053 227.7054 141.3715 2.00558376 31101
Epoch: Sep 8, 2025 •
Age: 43 hours
Current Status
Altitude 20131.1 km
Velocity 3.88 km/s
Sub-Earth Point -25.25°S,
157.19°E
Launch Date Jun 17, 2021
Age 4.2 years
Type positioning
Technical Details
Classification Payload
Mass 4400.00 kg
Dry Mass 2160.00 kg
Total Mass 4400.00 kg
Length 3.40 m
Diameter 1.80 m
Span 14.00 m
Shape Box + 2 pan
Manufacturer LMSSD
Bus Type A2100
Phase Status In Orbit
Owner/State SMC/US
Large Constellations
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