Skynet 4E

operational
NORAD ID: 25639 Int'l Des: 1999-009 Owner: MOD Country: UK
HEOCIRCULARGSO

About Skynet 4E

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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 25639U 99009B 26014.76583951 -.00000188 00000-0 00000-0 0 9997
2 25639 11.9732 9.9209 0004893 261.6313 294.7024 0.99030627 49631
Epoch: Jan 14, 2026 • Age: 20 hours

Current Status

Altitude 36151.9 km
Velocity 3.06 km/s
Sub-Earth Point 9.63°N, 173.26°E
Launch Date Feb 26, 1999
Age 26.8 years
Type other

Technical Details

Classification Payload
Mass 823.00 kg
Dry Mass 719.00 kg
Total Mass 1490.00 kg
Length 2.10 m
Diameter 1.90 m
Span 16.00 m
Shape Box + 2 Pan
Manufacturer MMSS
Bus Type ECS
Phase Status Renamed
Owner/State MOD/UK

Large Constellations

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