DMSP F-4

operational
NORAD ID: 11389 Int'l Des: 1979-050 Owner: SAMSO Country: US
LEOCIRCULARRETROGRADESSO

About DMSP F-4

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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 26013.18882185 .00000133 00000-0 69704-4 0 9993
2 11389 98.6109 329.5009 0010886 233.6353 126.3825 14.29275403353569
Epoch: Jan 13, 2026 • Age: 10 hours

Current Status

Altitude 802.8 km
Velocity 7.45 km/s
Sub-Earth Point -11.88°S, 0.29°E
Launch Date Jun 6, 1979
Age 46.6 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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