About DMSP F-4
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 11389U 79050A 25347.59626874 .00000300 00000-0 13532-3 0 9991
2 11389 98.6069 299.2847 0011417 331.0664 28.9884 14.29258119349197
Epoch: Dec 13, 2025 •
Age: 18 hours
Current Status
Altitude 800.7 km
Velocity 7.46 km/s
Sub-Earth Point -38.46°S,
94.46°E
Launch Date Jun 6, 1979
Age 46.5 years
Type other
Technical Details
Classification Payload
Mass 447.00 kg
Dry Mass 447.00 kg
Total Mass 1177.00 kg
Length 6.10 m
Diameter 1.50 m
Span 6.10 m
Shape Box + Pan
Manufacturer RCA
Bus Type Block 5D
Phase Status Attached in Orbit
Owner/State SAMSO/US
Large Constellations
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