About USA 81
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 21949U 92023A 26014.16934358 .00000162 00000-0 52630-4 0 9992
2 21949 85.0100 162.8742 0001660 117.6609 242.4752 14.32341920 86980
Epoch: Jan 14, 2026 •
Age: 11 hours
Current Status
Altitude 792.7 km
Velocity 7.46 km/s
Sub-Earth Point -23.40°S,
4.62°E
Launch Date Apr 25, 1992
Age 33.7 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
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