USA 31

operational
NORAD ID: 19458 Int'l Des: 1988-077 Owner: NRO/SAFSP Country: US
MEOELLIPTICALHEO_ELLIPTICALSEMI_SYNC

About USA 31

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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 19458U 88077A 26014.48486262 -.00000893 00000-0 -11885-1 0 9996
2 19458 27.3113 54.6131 7299456 107.9636 337.9330 2.00810515 12238
Epoch: Jan 14, 2026 • Age: 29 hours

Current Status

Altitude 35693.7 km
Velocity 1.98 km/s
Sub-Earth Point -27.27°S, 29.82°W
Launch Date Sep 2, 1988
Age 37.3 years
Type military

Technical Details

Classification Payload
Mass 1000.00 kg
Dry Mass 900.00 kg
Total Mass 1000.00 kg
Length 6.00 m
Diameter 2.50 m
Span 30.00 m
Shape Box + 2 Pan + Dish
Manufacturer TRW
Bus Type Vortex
Phase Status In Orbit
Owner/State NRO/SAFSP/US

Large Constellations

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