About JD1
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 14728U 84012C 26061.11995070 .00003284 00000-0 39582-3 0 9991
2 14728 63.3125 335.2182 0757095 126.5790 240.7388 13.74101463328938
Epoch: Mar 2, 2026 •
Age: 12 hours
Current Status
Altitude 554.4 km
Velocity 7.80 km/s
Sub-Earth Point 10.04°N,
163.23°E
Launch Date Feb 5, 1984
Age 42 years
Type other
Technical Details
Classification Payload
Mass 200.00 kg
Dry Mass 200.00 kg
Total Mass 200.00 kg
Length 0.90 m
Diameter 0.40 m
Span 10.00 m
Shape Box + Ant
Manufacturer MM
Bus Type NOSS SSU
Phase Status In Orbit
Owner/State NRO/NRL/US
Large Constellations
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