About THEMIS D
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 30797U 07004D 26019.60640160 -.00000440 00000-0 00000-0 0 9997
2 30797 5.9792 86.8516 8378715 208.6508 147.7163 0.87836602 39777
Epoch: Jan 19, 2026 •
Age: 9 hours
Current Status
Altitude 63916.0 km
Velocity 1.64 km/s
Sub-Earth Point 4.27°N,
15.86°E
Launch Date Feb 17, 2007
Age 18.9 years
Type other
Technical Details
Classification Payload
Mass 125.00 kg
Dry Mass 76.00 kg
Total Mass 125.00 kg
Length 0.50 m
Diameter 0.80 m
Span 49.60 m
Shape Box + 2 Ant
Manufacturer SWALES
Bus Type ATK-A100
Phase Status In Orbit
Owner/State GSFC/US
Large Constellations
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