About Skynet 4E
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 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
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