About

Skynet 4A

operational
NORAD ID: 20401 • Int'l Des: 1990-001 • Owner: MOD • Country: UK
HEOCIRCULAR
POV Track Ground

About Skynet 4A

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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 20401U 90001A 25277.59283647 -.00000246 00000-0 00000+0 0 9996
2 20401 12.5904 351.0707 0014118 295.5700 66.6170 0.98999421 44247
Epoch: Oct 4, 2025 • Age: 48 hours

Current Status

Altitude 36120.6 km
Velocity 3.06 km/s
Sub-Earth Point -0.08°S, 117.21°E
Launch Date Jan 1, 1990
Age 35.7 years
Type other

Technical Details

Classification Payload
Mass 763.00 kg
Dry Mass 615.00 kg
Total Mass 1430.00 kg
Length 2.10 m
Diameter 1.90 m
Span 16.00 m
Shape Box + 2 Pan
Manufacturer BAES
Bus Type ECS
Phase Status Renamed
Owner/State MOD/UK
Data: planet4589.org

Large Constellations

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