Find DMSP F-4
NORAD ID: 11389 • Int'l Des: 1979-050 • Owner: SAMSO • Country: US • operational
LEOCIRCULARRETROGRADESSO
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About DMSP F-4
Group: 3 satellites
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Two-Line Element Set
1 11389U 79050A 26149.48604360 .00000143 00000-0 73230-4 0 9993
2 11389 98.6296 104.3321 0011491 191.1508 168.9420 14.29336809373030
Epoch: May 29, 2026 •
Age: 14 hours
Current Status
Altitude 809.7 km
Velocity 7.45 km/s
Sub-Earth Point 76.83°N,
154.98°E
Launch Date Jun 6, 1979
Age 46.9 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
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