About

DMSP F-4

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

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 25279.12895082 .00000314 00000-0 14073-3 0 9999
2 11389 98.5942 231.7191 0012055 161.2909 198.8718 14.29209052339412
Epoch: Oct 6, 2025 • Age: 13 hours

Current Status

Altitude 824.3 km
Velocity 7.44 km/s
Sub-Earth Point -78.93°S, 105.24°E
Launch Date Jun 6, 1979
Age 46.3 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
Data: planet4589.org

Large Constellations

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