About

USA 81

operational
NORAD ID: 21949 • Int'l Des: 1992-023 • Owner: NRO • Country: US
LEOCIRCULARPOLAR
POV Track Ground

About USA 81

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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 21949U 92023A 25278.15144560 .00000411 00000-0 14520-3 0 9992
2 21949 85.0092 221.1181 0002260 108.2751 251.8688 14.32288226 72523
Epoch: Oct 5, 2025 • Age: 11 hours

Current Status

Altitude 785.6 km
Velocity 7.46 km/s
Sub-Earth Point 10.13°N, 168.18°E
Launch Date Apr 25, 1992
Age 33.4 years
Type military

Technical Details

Classification Payload
Mass 1450.00 kg
Dry Mass 1200.00 kg
Total Mass 1450.00 kg
Length 0.50 m
Diameter 1.00 m
Span 10.00 m
Shape Cyl + Ant
Manufacturer LMSC
Bus Type NRO-T2
Phase Status In Orbit
Owner/State NRO/US
Data: planet4589.org

Large Constellations

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