About DMSP F-3
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 10820U 78042A 25325.56256705 .00000575 00000-0 20520-3 0 9994
2 10820 98.4531 158.7594 0008276 246.2329 113.7990 14.37834163483176
Epoch: Nov 21, 2025 •
Age: 19 hours
Current Status
Altitude 784.5 km
Velocity 7.47 km/s
Sub-Earth Point 79.55°N,
79.21°W
Launch Date May 1, 1978
Age 47.5 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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